{"title":"Miscellaneous","description":"","products":[{"product_id":"amerex-halotron-o-ring-brass-valve","title":"Amerex Halotron O-Ring (Brass Valve) 13305 - OEM","description":"\u003cp data-start=\"454\" data-end=\"805\"\u003eEnsure your Amerex Halotron extinguisher performs reliably with the 13305 brass valve O-ring. Designed for a secure, leak-free fit, this O-ring maintains proper pressure and optimal discharge. Compatible with a variety of Amerex Halotron models, it’s an essential replacement part for maintenance and fire safety compliance.\u003c\/p\u003e\n\u003cp data-start=\"807\" data-end=\"826\"\u003e\u003cstrong data-start=\"807\" data-end=\"824\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"827\" data-end=\"1066\"\u003e\n\u003cli data-start=\"827\" data-end=\"883\"\u003e\n\u003cp data-start=\"829\" data-end=\"883\"\u003eReplacement O-ring for Amerex Halotron extinguishers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"884\" data-end=\"929\"\u003e\n\u003cp data-start=\"886\" data-end=\"929\"\u003eBrass valve compatible for secure sealing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"930\" data-end=\"982\"\u003e\n\u003cp data-start=\"932\" data-end=\"982\"\u003eMaintains proper pressure and reliable operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"983\" data-end=\"1015\"\u003e\n\u003cp data-start=\"985\" data-end=\"1015\"\u003eEasy to install and maintain\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1016\" data-end=\"1066\"\u003e\n\u003cp data-start=\"1018\" data-end=\"1066\"\u003eEssential for regular fire extinguisher upkeep\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amerex","offers":[{"title":"Default Title","offer_id":45928108753061,"sku":"13305","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/amerex-default-title-amerex-halotron-o-ring-brass-valve-13305-33471587090597_96ff840c-a832-4c78-891d-b81ba18fa642.webp?v=1771286769"},{"product_id":"amerex-halotron-o-ring-aluminum","title":"Amerex Halotron O-Ring (Aluminum) 14268 - OEM","description":"\u003cp data-start=\"329\" data-end=\"640\"\u003eThis is the Amerex 14268 collar O‑ring a genuine OEM replacement for Halotron I fire extinguishers that use aluminum valve assemblies (such as model A384T). It creates a tight, leak-free seal around the valve collar, helping maintain proper pressure and reliable discharge performance.\u003c\/p\u003e\n\u003cp data-start=\"642\" data-end=\"661\"\u003e\u003cstrong data-start=\"642\" data-end=\"659\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"662\" data-end=\"1105\"\u003e\n\u003cli data-start=\"662\" data-end=\"768\"\u003e\n\u003cp data-start=\"664\" data-end=\"768\"\u003eSpecifically made for Halotron I rated Amerex extinguishers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"769\" data-end=\"877\"\u003e\n\u003cp data-start=\"771\" data-end=\"877\"\u003eFits aluminum‑valve models (green‑seal) for a proper OEM seal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"878\" data-end=\"978\"\u003e\n\u003cp data-start=\"880\" data-end=\"978\"\u003eDurable elastomer material designed for long-term service life and resistance to agent exposure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"979\" data-end=\"1105\"\u003e\n\u003cp data-start=\"981\" data-end=\"1105\"\u003eOEM‑grade part listed in Amerex parts catalogs for precise fit and safe maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amerex","offers":[{"title":"Default Title","offer_id":45928108916901,"sku":"14268","price":1.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/amerex-default-title-amerex-halotron-o-ring-brass-valve-13305-33471587090597_02e52bd3-27b6-417c-b8ba-acd5c593fafc.webp?v=1771286769"},{"product_id":"195-psi-dry-chemical-gauge","title":"195 PSI Dry Chemical Gauge","description":"\u003cp\u003eHigh-pressure gauge rated for 195 PSI, used in dry chemical fire suppression systems to monitor cylinder pressure and readiness.\u003c\/p\u003e","brand":"Pro Fire and Safety","offers":[{"title":"Default Title","offer_id":45928171307173,"sku":null,"price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/pro-fire-and-safety-default-title-195-psi-dry-chemical-gauge-33329869881509_f13d9563-9444-4866-95c8-0002b6c42898.webp?v=1771286757"},{"product_id":"100-psi-water-gauge-universal-replacement","title":"100 PSI Water Gauge (Universal Replacement)","description":"\u003cp\u003eUniversal replacement gauge rated for 100 PSI, compatible with most fire suppression and sprinkler systems. Used for water line pressure monitoring.\u003c\/p\u003e","brand":"Pro Fire and Safety","offers":[{"title":"Default Title","offer_id":45928171765925,"sku":null,"price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/pro-fire-and-safety-default-title-100-psi-water-gauge-universal-replacement-33329873911973_ea09ee3d-d7ac-41a1-a04b-6ee1fab9a21c.webp?v=1771286755"},{"product_id":"sprinkler-water-system-gauge","title":"Sprinkler Water System Gauge","description":"\u003cp data-start=\"714\" data-end=\"1177\"\u003eThis sprinkler water system gauge is built for monitoring water (or air) pressure in fire-sprinkler systems, ensuring your system stays within safe operational limits. It’s UL listed and FM approved, making it suitable for both commercial and residential fire protection setups. You can install it at the riser, supply line, or control valve anywhere a pressure reading is required to keep your sprinkler system compliant and functional.\u003c\/p\u003e\n\u003cp data-start=\"1179\" data-end=\"1198\"\u003e\u003cstrong data-start=\"1179\" data-end=\"1196\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1199\" data-end=\"2078\"\u003e\n\u003cli data-start=\"1199\" data-end=\"1316\"\u003e\n\u003cp data-start=\"1201\" data-end=\"1316\"\u003e\u003cstrong data-start=\"1201\" data-end=\"1222\"\u003eFull-scale range:\u003c\/strong\u003e 0–300 PSI, ideal for most wet-pipe sprinkler systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1317\" data-end=\"1532\"\u003e\n\u003cp data-start=\"1319\" data-end=\"1532\"\u003e\u003cstrong data-start=\"1319\" data-end=\"1344\"\u003eDurable construction:\u003c\/strong\u003e Impact and corrosion resistant casing, polycarbonate lens, and brass\/bronze internal components for long service life even under harsh conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1317\" data-end=\"1532\"\u003e\n\u003cp data-start=\"1319\" data-end=\"1532\"\u003e\u003cstrong data-start=\"1535\" data-end=\"1578\"\u003eStandard ¼″ NPT lower-mount connection:\u003c\/strong\u003e Easy to install on risers, valve assemblies, or standpipes.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1679\" data-end=\"1867\"\u003e\n\u003cp data-start=\"1681\" data-end=\"1867\"\u003e\u003cstrong data-start=\"1681\" data-end=\"1704\"\u003eClear dial display:\u003c\/strong\u003e Large format dial with clear markings for easy pressure reading critical for routine inspections and maintenance checks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1868\" data-end=\"2078\"\u003e\n\u003cp data-start=\"1870\" data-end=\"2078\"\u003e\u003cstrong data-start=\"1870\" data-end=\"1890\"\u003eCode compliance:\u003c\/strong\u003e UL and FM listed, and compatible with inspection and maintenance standards such as those in National Fire Protection Association (NFPA) guidelines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pro Fire and Safety","offers":[{"title":"Default Title","offer_id":45928172716197,"sku":null,"price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/pro-fire-and-safety-default-title-sprinkler-water-system-gauge-33329881907365_102c65cb-de24-48d0-bd18-5952348f26fe.webp?v=1771286751"},{"product_id":"ansul-k-guard-o-ring-056909","title":"Ansul K-Guard O-Ring #215 - 056909","description":"\u003cbody\u003e\n\n\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n\u003ctitle\u003eAnsul K-Guard O-Ring #215 | Part No. 056909\u003c\/title\u003e\n\u003cstyle\u003e\n .product-section { max-width: 100%; margin: 2rem 0; font-family: Arial, sans-serif; color: #333; }\n .accordion-item { border-bottom: 1px solid #ddd; }\n .accordion-header { display: flex; justify-content: space-between; padding: 2rem 0; cursor: pointer; background: none; border: none; width: 100%; text-align: left; color: #333; }\n .accordion-header:hover, .accordion-header:focus { color: #333; background: none; outline: none; }\n .accordion-title { font-size: 1.5rem; font-weight: 500; }\n .accordion-icon { font-size: 1.5rem; }\n .accordion-item.active .accordion-icon { transform: rotate(180deg); }\n .accordion-content { max-height: 0; overflow: hidden; }\n .accordion-item.active .accordion-content { max-height: none; }\n .accordion-content-inner { font-size: 1.4rem; line-height: 1.7; color: #555; padding-bottom: 2rem; }\n .accordion-content-inner p { margin: 0 0 1rem 0; }\n .accordion-content-inner ul { margin: 0 0 1rem 0; padding-left: 2rem; }\n .accordion-content-inner h3 { font-size: 1.4rem; font-weight: 600; color: #333; margin: 1.5rem 0 0.5rem 0; }\n .specs-table { width: 100%; border-collapse: collapse; }\n .specs-table th, .specs-table td { border: 1px solid #ddd; padding: 0.75rem 1rem; font-size: 1.4rem; text-align: left; }\n .specs-table th { background-color: #f5f5f5; font-weight: 600; color: #333; }\n\u003c\/style\u003e\n\n\n\u003cdiv class=\"product-section\"\u003e\n\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\u003cspan class=\"accordion-title\"\u003eProduct Overview\u003c\/span\u003e\u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003eThe Ansul 056909 is the replacement #215 O-ring for Ansul K-Guard portable fire extinguishers. This O-ring ensures proper sealing of the valve components in the K-Guard series, maintaining pressure integrity throughout the extinguisher's service life. The #215 O-ring sits at a specific valve sealing position in the K-Guard valve assembly — the o ring 215 size designation corresponds to the AS568 standard O-ring size used at that location. A cracked, flattened, or compressed O-ring at this position causes a slow pressure leak that depletes the extinguisher's propellant charge between inspections.\u003c\/p\u003e\n \u003cp\u003eThe K-Guard is an ANSUL wet chemical portable fire extinguisher specifically designed for Class K cooking oil and grease fire protection in commercial kitchen environments — a companion to the ANSUL R-102 fixed kitchen fire suppression system for providing portable backup coverage at fryer stations and cooking lines. Like all portable fire extinguisher O-rings, the 056909 must be replaced at every internal examination per NFPA 10 — reusing an O-ring that has taken a compression set under years of extinguisher pressurization is a compliance violation that voids the extinguisher's UL listing.\u003c\/p\u003e\n \u003cp\u003eFor fire extinguisher service shops managing ANSUL K-Guard portable extinguisher fleets in commercial kitchen accounts, the 056909 is a standard line item in the K-Guard internal examination service kit. Keep it in van stock alongside ANSUL RedLine fill cap gaskets and operating components to ensure complete K-Guard service can be accomplished in a single visit without sourcing individual parts. Available through authorized ANSUL fire extinguisher parts suppliers and ansul distributors.\u003c\/p\u003e\n \u003c\/div\u003e\u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\u003cspan class=\"accordion-title\"\u003eTechnical Specifications\u003c\/span\u003e\u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ctable class=\"specs-table\"\u003e\n \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eANSUL\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e056909\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eO-Ring Size\u003c\/td\u003e\n\u003ctd\u003e#215 (AS568 standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCompatible Equipment\u003c\/td\u003e\n\u003ctd\u003eAnsul K-Guard fire extinguisher valve assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eService Requirement\u003c\/td\u003e\n\u003ctd\u003eReplace at every internal examination per NFPA 10\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\u003cspan class=\"accordion-title\"\u003eMaintenance \u0026amp; Compliance (NFPA 10)\u003c\/span\u003e\u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003eReplace the 056909 O-ring at every 6-year and 12-year internal examination of the Ansul K-Guard extinguisher per NFPA 10. Before installing the new O-ring, clean the valve groove thoroughly to remove any residue from the old seal. Apply a thin film of silicone-compatible O-ring lubricant before installation — never use petroleum-based lubricants on wet chemical extinguisher valve O-rings. Verify the O-ring seats fully in its groove with no twisting or pinching before reassembling the valve. Document the O-ring replacement in the fire extinguisher inspection and maintenance tags record.\u003c\/p\u003e\n \u003c\/div\u003e\u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\u003cspan class=\"accordion-title\"\u003eFAQ\u003c\/span\u003e\u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ch3\u003eCan I use a generic #215 O-ring from a hardware store?\u003c\/h3\u003e\n \u003cp\u003eNo. The 056909 is formulated for compatibility with the wet chemical agent chemistry of the ANSUL K-Guard extinguisher. Generic #215 O-rings may not resist the alkaline wet chemical environment and can degrade prematurely, causing valve leaks between service intervals. Always use the 056909 OEM replacement from authorized ANSUL fire extinguisher parts suppliers to maintain the K-Guard's UL listing.\u003c\/p\u003e\n \u003c\/div\u003e\u003c\/div\u003e\n \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003cscript\u003e\ndocument.addEventListener('DOMContentLoaded', function() {\n document.querySelectorAll('.accordion-header').forEach(h =\u003e h.addEventListener('click', function() { this.parentElement.classList.toggle('active'); }));\n});\n\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n \"@context\": \"https:\/\/schema.org\/\",\n \"@type\": \"Product\",\n \"name\": \"Ansul K-Guard O-Ring #215 | Part No. 056909\",\n \"description\": \"OEM Ansul 056909 #215 O-ring for K-Guard wet chemical fire extinguisher valve assembly. Maintains pressure integrity. Replace at every NFPA 10 internal examination. Wet chemical agent-compatible elastomer.\",\n \"sku\": \"056909\", \"mpn\": \"056909\",\n \"brand\": { \"@type\": \"Brand\", \"name\": \"ANSUL\" },\n \"category\": \"Fire Suppression Equipment\"\n}\n\u003c\/script\u003e\n\n\u003c\/body\u003e","brand":"Ansul","offers":[{"title":"Default Title","offer_id":45942188736677,"sku":"056909","price":0.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/ansul-default-title-ansul-k-guard-o-ring-215-056909-33359945662629_1b8d6d74-113c-40c1-b79d-6295e1645b63.webp?v=1771286662"},{"product_id":"or27-o-ring-for-amerex-and-badger-pack-of-100","title":"OR27 O-Ring for Amerex and Badger (Pack of 100)","description":"\u003cbody\u003e\n\n\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n\u003ctitle\u003eOR27 O-Ring for Amerex and Badger | Pack of 100\u003c\/title\u003e\n\u003cstyle\u003e\n .product-section { max-width: 100%; margin: 2rem 0; font-family: Arial, sans-serif; color: #333; }\n .accordion-item { border-bottom: 1px solid #ddd; }\n .accordion-header { display: flex; justify-content: space-between; padding: 2rem 0; cursor: pointer; background: none; border: none; width: 100%; text-align: left; color: #333; }\n .accordion-header:hover, .accordion-header:focus { color: #333; background: none; outline: none; }\n .accordion-title { font-size: 1.5rem; font-weight: 500; }\n .accordion-icon { font-size: 1.5rem; }\n .accordion-item.active .accordion-icon { transform: rotate(180deg); }\n .accordion-content { max-height: 0; overflow: hidden; }\n .accordion-item.active .accordion-content { max-height: none; }\n .accordion-content-inner { font-size: 1.4rem; line-height: 1.7; color: #555; padding-bottom: 2rem; }\n .accordion-content-inner p { margin: 0 0 1rem 0; }\n .accordion-content-inner ul { margin: 0 0 1rem 0; padding-left: 2rem; }\n .accordion-content-inner h3 { font-size: 1.4rem; font-weight: 600; color: #333; margin: 1.5rem 0 0.5rem 0; }\n .specs-table { width: 100%; border-collapse: collapse; }\n .specs-table th, .specs-table td { border: 1px solid #ddd; padding: 0.75rem 1rem; font-size: 1.4rem; text-align: left; }\n .specs-table th { background-color: #f5f5f5; font-weight: 600; color: #333; }\n\u003c\/style\u003e\n\n\n\u003cdiv class=\"product-section\"\u003e\n\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\u003cspan class=\"accordion-title\"\u003eProduct Overview\u003c\/span\u003e\u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003eThe OR27 is a standard O-ring used in Amerex and Badger fire extinguisher valve assemblies — available in a 100-pack at $0.14 each, making it the best-value bulk O-ring option for high-volume fire extinguisher service shops. The OR27 is used at a specific valve position in Amerex and Badger portable extinguisher assemblies that differs from the OR39 position — both sizes are required in a complete valve overhaul, and both must be replaced at every internal examination per NFPA 10. The 100-pack format reflects the OR27's higher per-service demand across large Amerex and Badger extinguisher fleets.\u003c\/p\u003e\n \u003cp\u003eAmerex fire extinguisher parts are among the most frequently serviced in the commercial fire equipment maintenance services market — Amerex is one of the dominant portable extinguisher brands in commercial, industrial, and institutional fire protection. The OR27 is a core consumable in that service ecosystem, as essential as the OR39 for ensuring complete, code-compliant valve rebuilds on Amerex abc fire extinguisher units, Amerex co2 fire extinguisher models, and Badger fire extinguisher variants that share the same valve architecture.\u003c\/p\u003e\n \u003cp\u003eFor fire extinguisher service contractors managing large fleet accounts — hotels, schools, hospitals, manufacturing facilities — stocking both the OR27 (100-pack) and OR39 (50-pack) alongside fill cap gaskets, valve springs, and hose assemblies ensures every Amerex and Badger internal examination can be completed to NFPA 10 spec in a single visit. These are the consumable backbone of Amerex fire extinguisher service and should be treated as van-stock items that are replenished automatically after each service run.\u003c\/p\u003e\n \u003c\/div\u003e\u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\u003cspan class=\"accordion-title\"\u003eTechnical Specifications\u003c\/span\u003e\u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ctable class=\"specs-table\"\u003e\n \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eOR27\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e100 per pack\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCompatible Equipment\u003c\/td\u003e\n\u003ctd\u003eAmerex and Badger fire extinguisher valve assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eUnit Price\u003c\/td\u003e\n\u003ctd\u003e$0.14 each\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eValve body sealing — specific position per service manual\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eService Requirement\u003c\/td\u003e\n\u003ctd\u003eReplace at every internal examination per NFPA 10\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\u003cspan class=\"accordion-title\"\u003eMaintenance \u0026amp; Compliance (NFPA 10)\u003c\/span\u003e\u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ch3\u003eMandatory Replacement at Every Internal Exam\u003c\/h3\u003e\n \u003cp\u003eNFPA 10 requires replacement of all O-rings and seals in the pressure path of a fire extinguisher valve at every internal examination — 6-year, 12-year, and post-discharge. The OR27 must be replaced at every service regardless of apparent condition. A reused O-ring that has taken a compression set cannot be guaranteed to maintain a gas-tight seal under the operating pressure of the extinguisher cylinder, creating a slow leak risk between inspection intervals.\u003c\/p\u003e\n \u003ch3\u003eCorrect Lubrication\u003c\/h3\u003e\n \u003cp\u003eApply a thin coat of silicone-compatible O-ring lubricant to the OR27 before installation to prevent tearing during assembly and ensure complete seating. Never use petroleum-based lubricants — these degrade the nitrile and EPDM elastomers used in Amerex and Badger fire extinguisher valve O-rings, causing premature hardening and cracking. Use only lubricants specifically approved for fire extinguisher valve service per the Amerex fire extinguisher parts list recommendations.\u003c\/p\u003e\n \u003c\/div\u003e\u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\u003cspan class=\"accordion-title\"\u003eFAQ\u003c\/span\u003e\u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ch3\u003eHow do I know if I need OR27 or OR39 for my service?\u003c\/h3\u003e\n \u003cp\u003eThe OR27 and OR39 are used at different positions in the Amerex and Badger valve assembly. Refer to the Amerex fire extinguisher parts list or the Badger fire extinguisher service manual for your specific extinguisher model to identify which O-ring goes where. Most complete valve overhauls require both the OR27 and OR39 — they are complementary consumables, not alternatives. Order both for your service van to avoid having to return for a missing size.\u003c\/p\u003e\n \u003ch3\u003eWhy does the 100-pack make more sense than the 50-pack for OR27?\u003c\/h3\u003e\n \u003cp\u003eThe OR27 position in Amerex and Badger valve assemblies is used more frequently per service than OR39 in high-volume fleet service operations. At $0.14 each in the 100-pack versus the smaller pack option, the 100-pack significantly reduces per-unit cost and replenishment frequency — important for fire equipment maintenance services contractors servicing dozens of Amerex extinguisher units per week across commercial accounts.\u003c\/p\u003e\n \u003c\/div\u003e\u003c\/div\u003e\n \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003cscript\u003e\ndocument.addEventListener('DOMContentLoaded', function() {\n document.querySelectorAll('.accordion-header').forEach(h =\u003e h.addEventListener('click', function() { this.parentElement.classList.toggle('active'); }));\n});\n\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n \"@context\": \"https:\/\/schema.org\/\",\n \"@type\": \"Product\",\n \"name\": \"OR27 O-Ring for Amerex and Badger | Pack of 100\",\n \"description\": \"Standard OR27 O-rings for Amerex and Badger fire extinguisher valve assemblies. 100-pack at $0.14 each. Mandatory replacement at every NFPA 10 internal examination. Pairs with OR39 for complete valve overhaul. Apply silicone lubricant during installation.\",\n \"mpn\": \"OR27\",\n \"category\": \"Fire Suppression Equipment\"\n}\n\u003c\/script\u003e\n\n\u003c\/body\u003e","brand":"Pro Fire and Safety","offers":[{"title":"Default Title","offer_id":45948494708901,"sku":"OR27","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/pro-fire-and-safety-default-title-or29-o-ring-for-amerex-and-badger-pack-of-100-33485325107365_9dee1180-8e6c-4918-9018-4b47fd88bc64.webp?v=1771286633"},{"product_id":"or37-o-ring-for-buckeye-pack-of-100","title":"OR37 O-Ring for Buckeye (Pack of 100)","description":"\u003cbody\u003e\n\n\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n\u003ctitle\u003eOR37 Valve Body O-Ring | Pack of 100 | Buckeye Series\u003c\/title\u003e\n\u003cstyle\u003e\n .product-section {\n max-width: 100%;\n margin: 2rem 0;\n font-family: Arial, sans-serif;\n color: #333;\n }\n .accordion-item {\n border-bottom: 1px solid #ddd;\n }\n .accordion-header {\n display: flex;\n justify-content: space-between;\n padding: 2rem 0;\n cursor: pointer;\n background: none;\n border: none;\n width: 100%;\n text-align: left;\n color: #333;\n }\n .accordion-header:hover,\n .accordion-header:focus {\n color: #333;\n background: none;\n outline: none;\n }\n .accordion-title {\n font-size: 1.5rem;\n font-weight: 500;\n }\n .accordion-icon {\n font-size: 1.5rem;\n }\n .accordion-item.active .accordion-icon {\n transform: rotate(180deg);\n }\n .accordion-content {\n max-height: 0;\n overflow: hidden;\n }\n .accordion-item.active .accordion-content {\n max-height: none;\n }\n .accordion-content-inner {\n font-size: 1.4rem;\n line-height: 1.7;\n color: #555;\n padding-bottom: 2rem;\n }\n .accordion-content-inner p {\n margin: 0 0 1rem 0;\n }\n .accordion-content-inner ul {\n margin: 0 0 1rem 0;\n padding-left: 2rem;\n }\n .accordion-content-inner h3 {\n font-size: 1.4rem;\n font-weight: 600;\n color: #333;\n margin: 1.5rem 0 0.5rem 0;\n }\n .specs-table {\n width: 100%;\n border-collapse: collapse;\n }\n .specs-table th,\n .specs-table td {\n border: 1px solid #ddd;\n padding: 0.75rem 1rem;\n font-size: 1.4rem;\n text-align: left;\n }\n .specs-table th {\n background-color: #f5f5f5;\n font-weight: 600;\n color: #333;\n }\n\u003c\/style\u003e\n\n\n\n\u003cdiv class=\"product-section\"\u003e\n\n \u003c!-- Section 1: Product Overview --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eProduct Overview\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003eThe OR37 Valve Body O-Ring (Pack of 100) is a high-precision elastomeric seal engineered specifically for the primary pressure boundary of Buckeye fire extinguishers. Serving as the collar seal between the valve assembly and the cylinder neck, the OR37 is responsible for containing up to 195 PSI of nitrogen propellant. In the stored-pressure environment of a Buckeye ABC or Purple-K unit, this O-ring is the only barrier preventing the slow migration of expellant gas. A compromised OR37 results in a leaker, a unit that becomes a non-functional liability during a fire emergency.\u003c\/p\u003e\n \u003cp\u003eManufactured from high-grade Buna-N (Nitrile) rubber, the OR37 features a 70-durometer hardness, providing the essential resilience required for the high-torque threading of Buckeye valve bodies. This 100-pack bulk set is the logistical standard for fire protection service companies and industrial safety departments. By standardizing with the OR37 (comparable to Buckeye P\/N 900001), technicians ensure that every serviced unit meets the rigorous leak-testing requirements of UL 299 and NFPA 10.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 2: Technical Specifications --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eTechnical Specifications\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ctable class=\"specs-table\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eFeature\u003c\/th\u003e\n \u003cth\u003eDetails\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003ePart Number\u003c\/td\u003e\n \u003ctd\u003eOR37 (Ref: Buckeye 900001)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaterial\u003c\/td\u003e\n \u003ctd\u003eBuna-N (Nitrile) 70 Durometer\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eQuantity\u003c\/td\u003e\n \u003ctd\u003e100 O-Rings per Bag\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInner Diameter (ID)\u003c\/td\u003e\n \u003ctd\u003e~0.863\"\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCross Section\u003c\/td\u003e\n \u003ctd\u003e~0.116\"\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCompatible Brands\u003c\/td\u003e\n \u003ctd\u003eBuckeye, Power Pak, Kidde (Plastic)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePrimary Use\u003c\/td\u003e\n \u003ctd\u003e2.5 lb to 20 lb Buckeye Dry Chemical\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 3: Installation \u0026 Safety --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eInstallation \u0026amp; Safety\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003eThe OR37 must be replaced during every internal service in accordance with NFPA 10 requirements. Once the valve is unscrewed, the existing O-ring loses its elastomeric memory and will not reseal perfectly. Installing a fresh OR37 from this bulk pack is the only way to ensure the unit holds pressure for the next service cycle.\u003c\/p\u003e\n \u003cp\u003eBefore installation, apply a light coating of silicone-based lubricant to the OR37 to prevent pinching or rolling during valve reinstallation. Petroleum-based lubricants must be avoided, as they cause the Nitrile material to swell and fail, leading to an irreparable leak. Following installation, a calibrated leak test must be performed to verify zero pressure loss before the unit is returned to service. The OR37's compatibility with both metal and plastic Buckeye valve heads makes it a highly versatile truck-stock item for technicians managing mixed fleets.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 4: FAQ --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eFAQ\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ch3\u003eWhy can't I reuse the existing OR37 during a recharge?\u003c\/h3\u003e\n \u003cp\u003eOver its service life, Nitrile rubber undergoes compression set, where it permanently deforms to the shape of the valve seat. Once the valve is unscrewed, the O-ring loses its elastomeric memory and will not reseal perfectly. NFPA 10 mandates the installation of a new O-ring during every internal service to ensure the unit holds pressure for the next cycle.\u003c\/p\u003e\n\n \u003ch3\u003eIs the OR37 compatible with Buckeye's plastic and metal valve heads?\u003c\/h3\u003e\n \u003cp\u003eYes. The OR37 is designed to fit the standard neck diameter used across the Buckeye portable line. This makes it a highly versatile truck-stock item for technicians managing mixed fleets of commercial-grade metal and consumer-grade plastic valve assemblies.\u003c\/p\u003e\n\n \u003ch3\u003eDoes this O-ring require a specific lubricant?\u003c\/h3\u003e\n \u003cp\u003eTo prevent pinching or rolling during the re-installation of the valve, a light coating of silicone-based lubricant is required. Petroleum-based lubricants must be avoided, as they cause the Nitrile material to swell and eventually fail, leading to an irreparable leak.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript\u003e\ndocument.addEventListener('DOMContentLoaded', function() {\n const headers = document.querySelectorAll('.accordion-header');\n headers.forEach(header =\u003e {\n header.addEventListener('click', function() {\n this.parentElement.classList.toggle('active');\n });\n });\n});\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n \"@context\": \"https:\/\/schema.org\/\",\n \"@type\": \"Product\",\n \"name\": \"OR37 Valve Body O-Ring | Pack of 100\",\n \"description\": \"Bulk pack of 100 Buna-N (Nitrile) 70-durometer valve body O-rings for Buckeye, Power Pak, and Kidde plastic-valve dry chemical fire extinguishers. Approx. 0.863 inch ID, 0.116 inch cross section. Compatible with 2.5 lb to 20 lb Buckeye dry chemical units. Comparable to Buckeye P\/N 900001. Meets UL 299 and NFPA 10 internal service replacement requirements.\",\n \"sku\": \"OR37\",\n \"mpn\": \"OR37\",\n \"category\": \"Fire Suppression Equipment\",\n \"additionalProperty\": [\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Part Number\",\n \"value\": \"OR37 (Ref: Buckeye 900001)\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Material\",\n \"value\": \"Buna-N (Nitrile) 70 Durometer\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Quantity\",\n \"value\": \"100 O-Rings per Bag\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Inner Diameter (ID)\",\n \"value\": \"~0.863 inch\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Cross Section\",\n \"value\": \"~0.116 inch\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Compatible Brands\",\n \"value\": \"Buckeye, Power Pak, Kidde (Plastic)\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Primary Use\",\n \"value\": \"2.5 lb to 20 lb Buckeye Dry Chemical\"\n }\n ]\n}\n\u003c\/script\u003e\n\n\n\u003c\/body\u003e","brand":"Buckeye","offers":[{"title":"Default Title","offer_id":45948494905509,"sku":"OR37","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/pro-fire-and-safety-default-title-or29-o-ring-for-amerex-and-badger-pack-of-100-33485325107365_a14f9e54-009d-4acf-8cfa-4cb77d4041b2.webp?v=1771286632"},{"product_id":"or29-o-ring-for-amerex-and-badger-pack-of-100","title":"OR29 O-Ring for Amerex and Badger (Pack of 100)","description":"\u003cbody\u003e\n\n\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n\u003ctitle\u003eOR29 Valve Body O-Ring | Pack of 100 | Amerex \/ Badger Series\u003c\/title\u003e\n\u003cstyle\u003e\n .product-section {\n max-width: 100%;\n margin: 2rem 0;\n font-family: Arial, sans-serif;\n color: #333;\n }\n .accordion-item {\n border-bottom: 1px solid #ddd;\n }\n .accordion-header {\n display: flex;\n justify-content: space-between;\n padding: 2rem 0;\n cursor: pointer;\n background: none;\n border: none;\n width: 100%;\n text-align: left;\n color: #333;\n }\n .accordion-header:hover,\n .accordion-header:focus {\n color: #333;\n background: none;\n outline: none;\n }\n .accordion-title {\n font-size: 1.5rem;\n font-weight: 500;\n }\n .accordion-icon {\n font-size: 1.5rem;\n }\n .accordion-item.active .accordion-icon {\n transform: rotate(180deg);\n }\n .accordion-content {\n max-height: 0;\n overflow: hidden;\n }\n .accordion-item.active .accordion-content {\n max-height: none;\n }\n .accordion-content-inner {\n font-size: 1.4rem;\n line-height: 1.7;\n color: #555;\n padding-bottom: 2rem;\n }\n .accordion-content-inner p {\n margin: 0 0 1rem 0;\n }\n .accordion-content-inner ul {\n margin: 0 0 1rem 0;\n padding-left: 2rem;\n }\n .accordion-content-inner h3 {\n font-size: 1.4rem;\n font-weight: 600;\n color: #333;\n margin: 1.5rem 0 0.5rem 0;\n }\n .specs-table {\n width: 100%;\n border-collapse: collapse;\n }\n .specs-table th,\n .specs-table td {\n border: 1px solid #ddd;\n padding: 0.75rem 1rem;\n font-size: 1.4rem;\n text-align: left;\n }\n .specs-table th {\n background-color: #f5f5f5;\n font-weight: 600;\n color: #333;\n }\n\u003c\/style\u003e\n\n\n\n\u003cdiv class=\"product-section\"\u003e\n\n \u003c!-- Section 1: Product Overview --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eProduct Overview\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003eThe OR29 Valve Body O-Ring (Pack of 100) is a high-precision elastomeric seal engineered for the primary pressure boundary of Amerex and Badger fire extinguishers. Specifically designed for 10 lb and 20 lb dry chemical units, the OR29 serves as the collar seal between the valve assembly and the cylinder neck. In a stored-pressure extinguisher, this O-ring is responsible for containing up to 195 PSI of nitrogen propellant for years at a time. A failure at this junction results in a leaker, a unit that loses pressure and becomes a non-functional liability.\u003c\/p\u003e\n \u003cp\u003eManufactured from high-grade Buna-N (Nitrile) rubber, the OR29 features a 70-durometer hardness, providing the perfect balance of flexibility for sealing and rigidity to prevent extrusion under pressure. This 100-pack bulk set is the logistical standard for service companies and maintenance departments. By standardizing with the OR29, technicians ensure that every 10 lb Amerex (ref: 5240) or Badger (ref: 1091) unit they service meets the rigorous leak-testing requirements of UL 299 and NFPA 10.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 2: Technical Specifications --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eTechnical Specifications\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ctable class=\"specs-table\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eFeature\u003c\/th\u003e\n \u003cth\u003eDetails\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003ePart Number\u003c\/td\u003e\n \u003ctd\u003eOR29 (Amerex 5240 \/ Badger 1091)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaterial\u003c\/td\u003e\n \u003ctd\u003eBuna-N (Nitrile) 70 Durometer\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eQuantity\u003c\/td\u003e\n \u003ctd\u003e100 O-Rings per Bag\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInner Diameter (ID)\u003c\/td\u003e\n \u003ctd\u003e1.046\"\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCross Section\u003c\/td\u003e\n \u003ctd\u003e0.139\"\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCompatible Brands\u003c\/td\u003e\n \u003ctd\u003eAmerex, Badger, Kidde\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTemperature Range\u003c\/td\u003e\n \u003ctd\u003e-40°F to 212°F\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 3: Installation \u0026 Safety --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eInstallation \u0026amp; Safety\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003eThe OR29 must be replaced during every 6-year internal examination in accordance with NFPA 10 requirements. Even if the O-ring appears visually intact, six years of constant pressure causes compression set in Nitrile rubber, meaning the material loses its ability to spring back and maintain a full hermetic seal.\u003c\/p\u003e\n \u003cp\u003eBefore installation, apply a light film of silicone-based lubricant to the OR29. This allows the O-ring to slide smoothly into the seating groove without twisting or pinching as the valve body is threaded, ensuring a perfect 360-degree seal. Never use petroleum-based lubricants, which can degrade Nitrile rubber and cause premature seal failure. Following installation, a calibrated leak test must be performed to verify zero pressure loss before the unit is returned to service.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 4: FAQ --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eFAQ\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ch3\u003eWhy must the OR29 be replaced during every 6-year internal examination?\u003c\/h3\u003e\n \u003cp\u003eOver six years of constant pressure, Nitrile rubber undergoes compression set, where it loses its ability to spring back and maintain a seal. Even if the O-ring looks intact, the flattened profile significantly increases the risk of a slow pneumatic leak. NFPA 10 mandates replacement to ensure pressure integrity for the next service cycle.\u003c\/p\u003e\n\n \u003ch3\u003eIs lubrication necessary for the OR29 during installation?\u003c\/h3\u003e\n \u003cp\u003eYes. Technicians should apply a light film of silicone-based lubricant to the OR29. This allows the O-ring to slide smoothly into the seating groove without twisting or pinching as the valve body is threaded, ensuring a perfect 360-degree hermetic seal.\u003c\/p\u003e\n\n \u003ch3\u003eCan the OR29 be used for CO2 extinguishers?\u003c\/h3\u003e\n \u003cp\u003eNo. CO2 extinguishers operate at significantly higher pressures (850 PSI and above) and require specialized materials to prevent explosive decompression. The OR29 is strictly rated for stored-pressure units where pressures typically stay below 235 PSI.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript\u003e\ndocument.addEventListener('DOMContentLoaded', function() {\n const headers = document.querySelectorAll('.accordion-header');\n headers.forEach(header =\u003e {\n header.addEventListener('click', function() {\n this.parentElement.classList.toggle('active');\n });\n });\n});\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n \"@context\": \"https:\/\/schema.org\/\",\n \"@type\": \"Product\",\n \"name\": \"OR29 Valve Body O-Ring | Pack of 100\",\n \"description\": \"Bulk pack of 100 Buna-N (Nitrile) 70-durometer valve body O-rings for Amerex, Badger, and Kidde 10 lb and 20 lb dry chemical fire extinguishers. 1.046 inch ID, 0.139 inch cross section. Temperature rated -40 degrees F to 212 degrees F. Meets UL 299 and NFPA 10 6-year internal examination replacement requirements.\",\n \"sku\": \"OR29\",\n \"mpn\": \"OR29\",\n \"category\": \"Fire Suppression Equipment\",\n \"additionalProperty\": [\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Part Number\",\n \"value\": \"OR29 (Amerex 5240 \/ Badger 1091)\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Material\",\n \"value\": \"Buna-N (Nitrile) 70 Durometer\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Quantity\",\n \"value\": \"100 O-Rings per Bag\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Inner Diameter (ID)\",\n \"value\": \"1.046 inch\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Cross Section\",\n \"value\": \"0.139 inch\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Compatible Brands\",\n \"value\": \"Amerex, Badger, Kidde\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Temperature Range\",\n \"value\": \"-40 degrees F to 212 degrees F\"\n }\n ]\n}\n\u003c\/script\u003e\n\n\n\u003c\/body\u003e","brand":"Pro Fire and Safety","offers":[{"title":"Default Title","offer_id":45948494971045,"sku":"OR29","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/pro-fire-and-safety-default-title-or29-o-ring-for-amerex-and-badger-pack-of-100-33485325107365_6af0700b-3881-41dd-bf16-082b7eff6258.webp?v=1771286632"},{"product_id":"or39-o-ring-for-amerex-and-badger-pack-of-50","title":"OR39 O-Ring for Amerex and Badger (Pack of 50)","description":"\u003cbody\u003e\n\n\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n\u003ctitle\u003eOR39 O-Ring for Amerex and Badger | Pack of 50\u003c\/title\u003e\n\u003cstyle\u003e\n .product-section { max-width: 100%; margin: 2rem 0; font-family: Arial, sans-serif; color: #333; }\n .accordion-item { border-bottom: 1px solid #ddd; }\n .accordion-header { display: flex; justify-content: space-between; padding: 2rem 0; cursor: pointer; background: none; border: none; width: 100%; text-align: left; color: #333; }\n .accordion-header:hover, .accordion-header:focus { color: #333; background: none; outline: none; }\n .accordion-title { font-size: 1.5rem; font-weight: 500; }\n .accordion-icon { font-size: 1.5rem; }\n .accordion-item.active .accordion-icon { transform: rotate(180deg); }\n .accordion-content { max-height: 0; overflow: hidden; }\n .accordion-item.active .accordion-content { max-height: none; }\n .accordion-content-inner { font-size: 1.4rem; line-height: 1.7; color: #555; padding-bottom: 2rem; }\n .accordion-content-inner p { margin: 0 0 1rem 0; }\n .accordion-content-inner ul { margin: 0 0 1rem 0; padding-left: 2rem; }\n .accordion-content-inner h3 { font-size: 1.4rem; font-weight: 600; color: #333; margin: 1.5rem 0 0.5rem 0; }\n .specs-table { width: 100%; border-collapse: collapse; }\n .specs-table th, .specs-table td { border: 1px solid #ddd; padding: 0.75rem 1rem; font-size: 1.4rem; text-align: left; }\n .specs-table th { background-color: #f5f5f5; font-weight: 600; color: #333; }\n\u003c\/style\u003e\n\n\n\u003cdiv class=\"product-section\"\u003e\n\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\u003cspan class=\"accordion-title\"\u003eProduct Overview\u003c\/span\u003e\u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003eThe OR39 is a standard O-ring used in Amerex and Badger fire extinguisher valve assemblies — sold in a convenient 50-pack for high-volume fire extinguisher service shops. The OR39 size fits specific valve positions in Amerex and Badger portable fire extinguishers, serving as a pressure sealing element that maintains gas-tight integrity between valve body components. At $0.25 each in this 50-pack format, the OR39 is one of the most cost-effective fire extinguisher replacement parts available for shops performing high-volume Amerex and Badger extinguisher service.\u003c\/p\u003e\n \u003cp\u003eO-rings are mandatory replacement items during every fire extinguisher internal examination and recharge — NFPA 10 prohibits reusing compressed or aged elastomer seals in the pressure path of a fire extinguisher valve assembly. The OR39 50-pack ensures a service shop can overhaul multiple Amerex and Badger units during a single service visit without running low on this critical consumable. The hose nozzle o ring, collar o-ring, and various valve body seals all share the same mandatory replacement requirement under NFPA 10, and keeping the correct o ring supply in stock eliminates service delays.\u003c\/p\u003e\n \u003cp\u003eFor fire equipment maintenance services contractors managing Amerex and Badger portable extinguisher fleets, the OR39 belongs on the standard service vehicle alongside the OR27 (100-pack for a different O-ring position), fill cap gaskets, and valve springs. Verify the OR39 is the correct size for the specific valve position being serviced using the Amerex fire extinguisher parts list or Badger fire extinguisher service manual before installation. These o rings small enough to be easy to misplace should be stored in labeled parts bins on your service vehicle.\u003c\/p\u003e\n \u003c\/div\u003e\u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\u003cspan class=\"accordion-title\"\u003eTechnical Specifications\u003c\/span\u003e\u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ctable class=\"specs-table\"\u003e\n \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eOR39\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e50 per pack\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCompatible Equipment\u003c\/td\u003e\n\u003ctd\u003eAmerex and Badger fire extinguisher valve assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eUnit Price\u003c\/td\u003e\n\u003ctd\u003e$0.25 each\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eValve body sealing — specific position per service manual\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eService Requirement\u003c\/td\u003e\n\u003ctd\u003eReplace at every internal examination per NFPA 10\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\u003cspan class=\"accordion-title\"\u003eMaintenance \u0026amp; Compliance (NFPA 10)\u003c\/span\u003e\u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ch3\u003eMandatory Replacement\u003c\/h3\u003e\n \u003cp\u003eUnder NFPA 10, all O-rings and seals in the pressure path of a fire extinguisher valve must be replaced during every internal examination — including 6-year and 12-year service intervals and any post-discharge service. The OR39 must never be reused after it has been removed from its seat. A previously compressed O-ring cannot be guaranteed to reseal reliably, and a slow valve leak resulting from a reused O-ring can deplete the extinguisher's pressure charge between inspections without triggering the pressure gauge alarm zone.\u003c\/p\u003e\n \u003ch3\u003eLubrication\u003c\/h3\u003e\n \u003cp\u003eBefore installing the OR39, apply a light coat of o ring grease or silicone-based lubricant compatible with the extinguisher's propellant and agent. Proper lubrication prevents the O-ring from tearing during installation and ensures complete seating in the valve groove. Do not use petroleum-based lubricants — they can degrade EPDM and nitrile elastomers used in fire extinguisher O-rings.\u003c\/p\u003e\n \u003c\/div\u003e\u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\u003cspan class=\"accordion-title\"\u003eFAQ\u003c\/span\u003e\u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ch3\u003eWhat is the difference between OR39 and OR27?\u003c\/h3\u003e\n \u003cp\u003eThe OR39 and OR27 are different standard O-ring sizes used at different positions in Amerex and Badger valve assemblies. The OR27 is available in a 100-pack for a different valve sealing position. Always verify which O-ring size is required for the specific valve position being serviced using the Amerex fire extinguisher parts list or Badger fire extinguisher service manual — never substitute one size for another even if they appear similar.\u003c\/p\u003e\n \u003ch3\u003eAre these compatible with other brands besides Amerex and Badger?\u003c\/h3\u003e\n \u003cp\u003eThe OR39 is sized for Amerex and Badger valve assemblies. While standard O-ring sizes (AS568 standard) are used across many fire extinguisher manufacturers, always verify the correct O-ring specification for your specific extinguisher model. Using an incorrectly sized O-ring voids the UL listing and creates a leak risk in the valve assembly.\u003c\/p\u003e\n \u003c\/div\u003e\u003c\/div\u003e\n \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003cscript\u003e\ndocument.addEventListener('DOMContentLoaded', function() {\n document.querySelectorAll('.accordion-header').forEach(h =\u003e h.addEventListener('click', function() { this.parentElement.classList.toggle('active'); }));\n});\n\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n \"@context\": \"https:\/\/schema.org\/\",\n \"@type\": \"Product\",\n \"name\": \"OR39 O-Ring for Amerex and Badger | Pack of 50\",\n \"description\": \"Standard OR39 O-rings for Amerex and Badger fire extinguisher valve assemblies. 50-pack at $0.25 each. Mandatory replacement at every NFPA 10 internal examination. Never reuse after removal. Apply silicone lubricant during installation.\",\n \"mpn\": \"OR39\",\n \"category\": \"Fire Suppression Equipment\"\n}\n\u003c\/script\u003e\n\n\u003c\/body\u003e","brand":"Pro Fire and Safety","offers":[{"title":"Default Title","offer_id":45948495003813,"sku":"OR39","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/pro-fire-and-safety-default-title-or39-o-ring-for-amerex-and-badger-pack-of-50-33485317701797_2f1867f6-11c2-4016-a8fc-e2d03be1f7d5.webp?v=1771286631"},{"product_id":"collar-o-ring-12-pack-05239-p012","title":"Amerex Collar O-Ring (12 Pack), OEM - 05239","description":"\u003cbody\u003e\n\n\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n\u003ctitle\u003eAmerex Collar O-Ring (12 Pack) | Industrial \u0026amp; Wheeled Unit Series | Part No. 05239\u003c\/title\u003e\n\u003cstyle\u003e\n .product-section { max-width: 100%; margin: 2rem 0; font-family: Arial, sans-serif; color: #333; }\n .accordion-item { border-bottom: 1px solid #ddd; }\n .accordion-header { display: flex; justify-content: space-between; padding: 2rem 0; cursor: pointer; background: none; border: none; width: 100%; text-align: left; color: #333; }\n .accordion-header:hover, .accordion-header:focus { color: #333; background: none; outline: none; }\n .accordion-title { font-size: 1.5rem; font-weight: 500; }\n .accordion-icon { font-size: 1.5rem; }\n .accordion-item.active .accordion-icon { transform: rotate(180deg); }\n .accordion-content { max-height: 0; overflow: hidden; }\n .accordion-item.active .accordion-content { max-height: none; }\n .accordion-content-inner { font-size: 1.4rem; line-height: 1.7; color: #555; padding-bottom: 2rem; }\n .accordion-content-inner p { margin: 0 0 1rem 0; }\n .accordion-content-inner ul { margin: 0 0 1rem 0; padding-left: 2rem; }\n .accordion-content-inner h3 { font-size: 1.4rem; font-weight: 600; color: #333; margin: 1.5rem 0 0.5rem 0; }\n .specs-table { width: 100%; border-collapse: collapse; }\n .specs-table th, .specs-table td { border: 1px solid #ddd; padding: 0.75rem 1rem; font-size: 1.4rem; text-align: left; }\n .specs-table th { background-color: #f5f5f5; font-weight: 600; color: #333; }\n\u003c\/style\u003e\n\n\n\u003cdiv class=\"product-section\"\u003e\n\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\u003cspan class=\"accordion-title\"\u003eProduct Overview\u003c\/span\u003e\u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003eThe Amerex 05239-P024 Collar O-Ring (12 Pack) is the OEM Quad-Ring™ pressure seal for the Amerex industrial and wheeled fire extinguisher series. Unlike standard round-profile O-rings, the Quad-Ring design features four-lobed geometry that provides superior sealing performance across the wide pressure and temperature range encountered in industrial fire protection equipment. This 12-pack is the logistical standard for fire equipment maintenance services shops that service large-format wheeled units and industrial extinguisher fleets.\u003c\/p\u003e\n \u003cp\u003eThe 05239 collar O-ring creates the primary gas-tight seal between the large-diameter brass valve and the cylinder collar on high-capacity Amerex units. In the world of 150 lb. and 350 lb. wheeled fire extinguishers, a collar seal failure is not just a maintenance issue — it is a potential system failure that can leave a high-hazard industrial site unprotected. Keeping the 05239-P024 in your fire extinguisher service parts inventory ensures zero downtime when servicing industrial fire extinguisher fleets.\u003c\/p\u003e\n \u003cp\u003eThe Quad-Ring design delivers reduced friction during valve installation, lower compression set over long service intervals, and better resistance to spiral leakage than conventional O-rings — critical performance attributes for heavy-duty fire suppression equipment maintenance applications where seals must remain reliable for up to 12 years between hydrostatic overhauls.\u003c\/p\u003e\n \u003c\/div\u003e\u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\u003cspan class=\"accordion-title\"\u003eTechnical Specifications\u003c\/span\u003e\u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ctable class=\"specs-table\"\u003e\n \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAmerex Corporation\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e05239-P024 (12 Pack)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSeal Type\u003c\/td\u003e\n\u003ctd\u003eQuad-Ring™ (four-lobed profile)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePropellant-resistant specialized elastomer\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eIndustrial and wheeled Amerex extinguisher collar seal\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eValve Compatibility\u003c\/td\u003e\n\u003ctd\u003eLarge-diameter brass valve assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eUL Listed, OEM Original\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\u003cspan class=\"accordion-title\"\u003eMaintenance \u0026amp; Compliance (NFPA 10)\u003c\/span\u003e\u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ch3\u003eMandatory Replacement Protocol\u003c\/h3\u003e\n \u003cp\u003eThe 05239 collar O-ring must be replaced whenever the valve is removed from the cylinder — including 5-year internal examinations, 12-year hydrostatic tests, and any unscheduled valve service. Reusing a previously compressed Quad-Ring on a wheeled fire extinguisher is a major NFPA 10 compliance violation. Document the O-ring replacement on the fire extinguisher service tag and inspection record.\u003c\/p\u003e\n \u003ch3\u003eLubrication Requirement\u003c\/h3\u003e\n \u003cp\u003eBefore installing the 05239, apply a thin film of o-ring silicone lubricant or seal lubricant to the seal. This reduces friction during valve installation and prevents the Quad-Ring from twisting or rolling into the groove — a common cause of installation-induced seal failure on large-diameter brass valve assemblies. Parker o-ring lube or equivalent o-ring assembly lube products are appropriate for this application.\u003c\/p\u003e\n \u003ch3\u003eThread and Seat Preparation\u003c\/h3\u003e\n \u003cp\u003eClean the valve body threads and the cylinder collar seat thoroughly before installing the new seal. Any residual dry chemical powder, debris, or old lubricant can create micro-leak paths that no O-ring — regardless of quality — can overcome. This attention to detail is the hallmark of professional fire extinguisher service.\u003c\/p\u003e\n \u003c\/div\u003e\u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\u003cspan class=\"accordion-title\"\u003eFAQ\u003c\/span\u003e\u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ch3\u003eWhat is a Quad-Ring and how does it differ from a standard O-ring?\u003c\/h3\u003e\n \u003cp\u003eA Quad-Ring features four sealing lobes instead of the single round profile of a conventional O-ring. This provides two sealing surfaces on each side of the groove, reducing spiral leakage and compression set. For large-diameter valve applications like the Amerex industrial series, the Quad-Ring geometry delivers more reliable long-term sealing performance than standard O-rings, which is why Amerex specifies it for these units.\u003c\/p\u003e\n \u003ch3\u003eCan I use the 05239 on a standard 10 lb. ABC extinguisher?\u003c\/h3\u003e\n \u003cp\u003eNo. The 05239 is sized for the large-diameter collar of industrial and wheeled Amerex units. Standard 5-20 lb. portable units use a different collar O-ring specification. Always verify the correct part against the Amerex fire extinguisher parts list for your specific model before service.\u003c\/p\u003e\n \u003ch3\u003eWhy buy the 12-pack?\u003c\/h3\u003e\n \u003cp\u003eIndustrial fire extinguisher fleets at refineries, flight lines, and manufacturing facilities typically include multiple wheeled units that require simultaneous overhaul. The 05239-P024 12-pack ensures a service team can overhaul an entire bay of wheeled fire extinguisher units in a single visit, with consistent OEM seals throughout — critical for uniform performance and fire extinguisher inspection record compliance.\u003c\/p\u003e\n \u003c\/div\u003e\u003c\/div\u003e\n \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003cscript\u003e\ndocument.addEventListener('DOMContentLoaded', function() {\n document.querySelectorAll('.accordion-header').forEach(h =\u003e h.addEventListener('click', function() { this.parentElement.classList.toggle('active'); }));\n});\n\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n \"@context\": \"https:\/\/schema.org\/\",\n \"@type\": \"Product\",\n \"name\": \"Amerex Collar O-Ring (12 Pack) | Industrial \u0026 Wheeled Unit Series | Part No. 05239\",\n \"description\": \"UL Listed OEM Quad-Ring collar O-ring 12-pack for Amerex industrial and wheeled fire extinguisher series. Four-lobed profile reduces compression set and spiral leakage vs. standard O-rings. Replace at every valve removal per NFPA 10. Apply silicone lubricant during installation. Not compatible with standard 5-20 lb. portable units. Amerex Corporation original.\",\n \"sku\": \"05239-P024\", \"mpn\": \"05239\",\n \"brand\": { \"@type\": \"Brand\", \"name\": \"Amerex\" },\n \"manufacturer\": { \"@type\": \"Organization\", \"name\": \"Amerex Corporation\" },\n \"category\": \"Fire Suppression Equipment\"\n}\n\u003c\/script\u003e\n\n\u003c\/body\u003e","brand":"Amerex","offers":[{"title":"Default Title","offer_id":45973697757349,"sku":null,"price":47.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/AmerexCollarO-Ring_12Pack_-05239-P012-2_c4159f79-2c44-4b81-a84d-4a64bb3d852c.webp?v=1771286551"},{"product_id":"100-psi-gauge-s-s-tube-and-thread-17420-p006","title":"Amerex OEM Wet Chemical Gauge (100 PSI), Single Item - 17420","description":"\u003cbody\u003e\n\n\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n\u003ctitle\u003eAmerex 17420 Wet Chemical Gauge | 100 PSI | Part No. 17420\u003c\/title\u003e\n\u003cstyle\u003e\n .product-section { max-width: 100%; margin: 2rem 0; font-family: Arial, sans-serif; color: #333; }\n .accordion-item { border-bottom: 1px solid #ddd; }\n .accordion-header { display: flex; justify-content: space-between; padding: 2rem 0; cursor: pointer; background: none; border: none; width: 100%; text-align: left; color: #333; }\n .accordion-header:hover, .accordion-header:focus { color: #333; background: none; outline: none; }\n .accordion-title { font-size: 1.5rem; font-weight: 500; }\n .accordion-icon { font-size: 1.5rem; }\n .accordion-item.active .accordion-icon { transform: rotate(180deg); }\n .accordion-content { max-height: 0; overflow: hidden; }\n .accordion-item.active .accordion-content { max-height: none; }\n .accordion-content-inner { font-size: 1.4rem; line-height: 1.7; color: #555; padding-bottom: 2rem; }\n .accordion-content-inner p { margin: 0 0 1rem 0; }\n .accordion-content-inner ul { margin: 0 0 1rem 0; padding-left: 2rem; }\n .accordion-content-inner h3 { font-size: 1.4rem; font-weight: 600; color: #333; margin: 1.5rem 0 0.5rem 0; }\n .specs-table { width: 100%; border-collapse: collapse; }\n .specs-table th, .specs-table td { border: 1px solid #ddd; padding: 0.75rem 1rem; font-size: 1.4rem; text-align: left; }\n .specs-table th { background-color: #f5f5f5; font-weight: 600; color: #333; }\n\u003c\/style\u003e\n\n\n\u003cdiv class=\"product-section\"\u003e\n\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\u003cspan class=\"accordion-title\"\u003eProduct Overview\u003c\/span\u003e\u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003eThe Amerex 17420 Wet Chemical Gauge serves as the \"visual pulse\" of the Amerex K-Class (Kitchen) line. In the high-stakes environment of a commercial kitchen — where high-temperature vegetable oils create volatile Class K hazards — this gauge acts as the primary fire extinguisher diagnostic device. Specifically calibrated for the Amerex B260 (6-liter) and B262 (2.5-gallon) units, it provides empirical proof that the extinguisher nitrogen charge is capable of expelling the class k wet chemical fire extinguisher agent with the necessary force to achieve saponification.\u003c\/p\u003e\n \u003cp\u003eFor facility managers and technicians, the 17420 is a critical piece of extinguisher maintenance hardware. It is the component most scrutinized during the mandated fire extinguisher monthly inspection tag review and annual fire extinguisher inspection record audits. Utilizing a genuine OEM fire extinguisher with pressure gauge ensures the internal mechanism is material-matched to the pressure dynamics of the B260\/B262 series, maintaining factory-certified reliability for your kitchen fire extinguisher class k fleet.\u003c\/p\u003e\n \u003cp\u003eWhen comparing fire extinguisher gauges across the K-Class product line, the 17420 stands apart because of its 100 PSI center calibration — a specification unique to wet chemical fire extinguisher for kitchen systems. Standard ABC gauges run at 195 PSI and are not interchangeable. Using the wrong gauge is one of the most common findings during fire extinguisher inspection tags reviews and can result in an immediate red-tag deficiency.\u003c\/p\u003e\n\n \u003ch3\u003eThe Physics of Pressure Monitoring: The Bourdon Tube Principle\u003c\/h3\u003e\n \u003cp\u003eTo provide the technical authority required for safety audits, it is essential to understand the mechanical dynamics of the Bourdon tube principle inside the 17420 gauge:\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eElastic Deformation Logic:\u003c\/strong\u003e Inside the metal case is a curved, flattened tube. When internal pressure enters the tube, it attempts to straighten. This mechanical displacement is translated through a precision gear system to move the needle into the high-visibility \"Green Zone.\" The fire extinguisher gauge reading is a direct mechanical translation of the internal cylinder pressure — there are no electronics to fail or batteries to replace, making it one of the most reliable fire gauges in the industry.\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003e100 PSI Calibration:\u003c\/strong\u003e Unlike standard units that operate at 195 PSI, class k fire extinguisher units are pressurized to a lower 100 PSI. This ensures the wet chemical agent is discharged in a fine, low-velocity mist, preventing burning oil from splashing. The 17420 is precision-engineered for this specific extinguisher pressure monitoring threshold. A 100 psi gauge that reads outside the green zone is an immediate fire extinguisher gauge check failure under NFPA 10.\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003ePolycarbonate Resilience:\u003c\/strong\u003e The impact-resistant lens is designed to withstand thermal shock. In a kitchen fire, temperatures spike instantly. The 17420 is engineered so the lens will not cloud, ensuring it remains part of your readable commercial kitchen safety supplies inventory throughout its service life.\u003c\/p\u003e\n \u003c\/div\u003e\u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\u003cspan class=\"accordion-title\"\u003eTechnical Specifications\u003c\/span\u003e\u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003eThe 17420 is manufactured to match the specific thread pitch of Amerex brass K-Class valve bodies.\u003c\/p\u003e\n \u003ctable class=\"specs-table\"\u003e\n \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAmerex Corporation\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e17420\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eOperating Pressure\u003c\/td\u003e\n\u003ctd\u003e100 PSI Center\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eAmerex Model B260 \u0026amp; B262\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eAgent Type\u003c\/td\u003e\n\u003ctd\u003eWet Chemical (Class K)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eUL Listed Component, OEM Original\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\u003cspan class=\"accordion-title\"\u003eMaintenance and Professional Protocols (NFPA 10)\u003c\/span\u003e\u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003eUnder NFPA 10 standards, the wet chemical pressure gauge is the cornerstone of the mandated monthly visual check. Technicians should follow these protocols:\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eThe \"Green Zone\" Audit:\u003c\/strong\u003e If the needle is in either red zone during a fire extinguisher gauge check, the unit requires an immediate red tag. The 17420 provides the visual trigger for fire extinguisher inspections. Every fire extinguisher inspection record tag should document the gauge reading at each service visit.\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eFogging and Readability:\u003c\/strong\u003e In humid kitchens, non-OEM fire extinguisher gauges often suffer from condensation fogging. The 17420 features gasketed construction to prevent moisture ingress, making it one of the most reliable fire equipment gauges available for wet chemical applications. A fogged or unreadable fire extinguisher gauge in green is still a deficiency if it cannot be clearly confirmed.\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eReplacement Protocol:\u003c\/strong\u003e During an internal exam, if the extinguisher gauge shows corrosion at the stem, a pressure gauge replacement must be performed. Document the replacement on the fire extinguisher inspection label and update the fire extinguisher maintenance tags accordingly.\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eSealant Application:\u003c\/strong\u003e When installing a new 17420, ensure threads are clean. Use a minimal amount of UL-approved sealant to prevent leaks, ensuring your fire protection maintenance services meet professional standards.\u003c\/p\u003e\n \u003c\/div\u003e\u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\u003cspan class=\"accordion-title\"\u003eFAQ\u003c\/span\u003e\u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ch3\u003eCan I use this gauge on a 10 lb. ABC extinguisher?\u003c\/h3\u003e\n \u003cp\u003eNo. A standard ABC unit requires a 195 PSI gauge. Installing a 100 PSI gauge (17420) on a 195 PSI unit will damage the internal linkage and produce a false fire extinguisher gauge reading. Always verify parts against your fire extinguisher parts list for the specific model being serviced.\u003c\/p\u003e\n\n \u003ch3\u003eWhat if the needle is on the edge of the green zone?\u003c\/h3\u003e\n \u003cp\u003eUnder NFPA 10, any needle not clearly within the green zone is deficient. This is a common finding during fire extinguisher inspection tags reviews. The unit should be weight-checked and the fire extinguisher gauge potentially replaced. A borderline fire extinguisher gauge in green reading does not pass inspection — it must be clearly in the green.\u003c\/p\u003e\n\n \u003ch3\u003eHow do I manage multi-site safety?\u003c\/h3\u003e\n \u003cp\u003eMaintaining a standardized fire extinguisher gauges inventory ensures that every restaurant in your fleet uses the same high-spec fire extinguishers for restaurants. This streamlines fire suppression system re-certification across multiple locations and ensures your fire extinguisher inspection record tags reflect consistent, verifiable gauge readings site-wide.\u003c\/p\u003e\n \u003c\/div\u003e\u003c\/div\u003e\n \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003cscript\u003e\ndocument.addEventListener('DOMContentLoaded', function() {\n document.querySelectorAll('.accordion-header').forEach(header =\u003e {\n header.addEventListener('click', function() {\n this.parentElement.classList.toggle('active');\n });\n });\n});\n\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n \"@context\": \"https:\/\/schema.org\/\",\n \"@type\": \"Product\",\n \"name\": \"Amerex 17420 Wet Chemical Gauge | 100 PSI | Part No. 17420\",\n \"description\": \"UL Listed OEM 100 PSI wet chemical pressure gauge for Amerex B260 (6-liter) and B262 (2.5-gallon) Class K kitchen fire extinguishers. Bourdon tube mechanism with polycarbonate impact-resistant lens. Gasketed construction prevents moisture fogging. Not interchangeable with 195 PSI ABC gauges. Mandatory replacement if corrosion is present at stem or needle is outside green zone per NFPA 10. Thread pitch matched to Amerex brass K-Class valve bodies.\",\n \"sku\": \"17420\",\n \"mpn\": \"17420\",\n \"brand\": { \"@type\": \"Brand\", \"name\": \"Amerex\" },\n \"manufacturer\": { \"@type\": \"Organization\", \"name\": \"Amerex Corporation\" },\n \"category\": \"Fire Suppression Equipment\",\n \"additionalProperty\": [\n { \"@type\": \"PropertyValue\", \"name\": \"Operating Pressure\", \"value\": \"100 PSI\" },\n { \"@type\": \"PropertyValue\", \"name\": \"Compatibility\", \"value\": \"Amerex B260 and B262\" },\n { \"@type\": \"PropertyValue\", \"name\": \"Agent Type\", \"value\": \"Wet Chemical (Class K)\" },\n { \"@type\": \"PropertyValue\", \"name\": \"Certifications\", \"value\": \"UL Listed, OEM Original\" }\n ]\n}\n\u003c\/script\u003e\n\n\u003c\/body\u003e","brand":"Amerex","offers":[{"title":"Default Title","offer_id":45973833318565,"sku":null,"price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/amerex-default-title-100-psi-gauge-s-s-tube-and-thread-17420-p006-33440324386981_9b9e23f4-9574-4f0a-8de6-377ce15cc528.webp?v=1771286533"},{"product_id":"victory-o-ring-for-co5-10-15-20lb-extinguishers-020601127","title":"Victory O-Ring for CO5\/10\/15\/20LB Extinguishers - 020601127","description":"\u003cbody\u003e\n\n\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n\u003ctitle\u003eVictory CO2 Collar O-Ring | 5 lb. – 20 lb. Series | Part No. 020601127\u003c\/title\u003e\n\u003cstyle\u003e\n .product-section {\n max-width: 100%;\n margin: 2rem 0;\n font-family: Arial, sans-serif;\n color: #333;\n }\n .accordion-item {\n border-bottom: 1px solid #ddd;\n }\n .accordion-header {\n display: flex;\n justify-content: space-between;\n padding: 2rem 0;\n cursor: pointer;\n background: none;\n border: none;\n width: 100%;\n text-align: left;\n color: #333;\n }\n .accordion-header:hover,\n .accordion-header:focus {\n color: #333;\n background: none;\n outline: none;\n }\n .accordion-title {\n font-size: 1.5rem;\n font-weight: 500;\n }\n .accordion-icon {\n font-size: 1.5rem;\n }\n .accordion-item.active .accordion-icon {\n transform: rotate(180deg);\n }\n .accordion-content {\n max-height: 0;\n overflow: hidden;\n }\n .accordion-item.active .accordion-content {\n max-height: none;\n }\n .accordion-content-inner {\n font-size: 1.4rem;\n line-height: 1.7;\n color: #555;\n padding-bottom: 2rem;\n }\n .accordion-content-inner p {\n margin: 0 0 1rem 0;\n }\n .accordion-content-inner ul {\n margin: 0 0 1rem 0;\n padding-left: 2rem;\n }\n .accordion-content-inner h3 {\n font-size: 1.4rem;\n font-weight: 600;\n color: #333;\n margin: 1.5rem 0 0.5rem 0;\n }\n .specs-table {\n width: 100%;\n border-collapse: collapse;\n }\n .specs-table th,\n .specs-table td {\n border: 1px solid #ddd;\n padding: 0.75rem 1rem;\n font-size: 1.4rem;\n text-align: left;\n }\n .specs-table th {\n background-color: #f5f5f5;\n font-weight: 600;\n color: #333;\n }\n\u003c\/style\u003e\n\n\n\n\u003cdiv class=\"product-section\"\u003e\n\n \u003c!-- Section 1: Product Overview --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eProduct Overview\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003eThe Victory 020601127 is the collar O-ring for the Victory plated brass CO2 valve series, designed for 5 lb. through 20 lb. extinguishers. CO2 cylinders operate at approximately 850 to 900 PSI in warm environments, and during discharge the agent undergoes rapid pressure drop that produces localized cryogenic temperatures. Standard elastomers would shatter under this combination of high static pressure and cryogenic shock. The 020601127 is engineered from a pressure-rated synthetic elastomer rated flexible down to -22°F (-30°C), maintaining its geometric memory and seal integrity through the full discharge cycle.\u003c\/p\u003e\n \u003cp\u003eOver five years of constant compression, most rubber O-rings suffer from permanent deformation and lose their outward spring force against the cylinder walls. The high-rebound formulation of the 020601127 resists this compression set, ensuring the seal remains effective at the end of its service interval rather than failing slowly and undetectably. Using non-OEM substitutes -- including hardware store washers -- is not rated for these pressures, will brittle under cryogenic conditions, and voids the UL listing of the extinguisher.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 2: Technical Specifications --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eTechnical Specifications\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ctable class=\"specs-table\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eFeature\u003c\/th\u003e\n \u003cth\u003eDetails\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eManufacturer\u003c\/td\u003e\n \u003ctd\u003eVictory Fire \u0026amp; Gas\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePart Number\u003c\/td\u003e\n \u003ctd\u003e020601127\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaterial\u003c\/td\u003e\n \u003ctd\u003ePressure-rated synthetic elastomer\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCompatibility\u003c\/td\u003e\n \u003ctd\u003eVictory plated brass CO2 valves, 5 lb. to 20 lb. series\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOperating Temperature\u003c\/td\u003e\n \u003ctd\u003e-22°F to 120°F (-30°C to 49°C)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCompliance\u003c\/td\u003e\n \u003ctd\u003eNFPA 10 standard service item\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCertifications\u003c\/td\u003e\n \u003ctd\u003eUL Listed, OEM Original\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 3: Maintenance \u0026 Compliance --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eMaintenance \u0026amp; Compliance\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ch3\u003eMandatory Replacement\u003c\/h3\u003e\n \u003cp\u003eWhenever the valve is removed for an internal check, the old 020601127 must be discarded and replaced. Reusing a previously compressed O-ring is a major safety violation -- the old rubber will not reseat in the same position and will almost certainly produce a leak path at high pressure.\u003c\/p\u003e\n\n \u003ch3\u003eThe Visilox V-711 Mandate\u003c\/h3\u003e\n \u003cp\u003eBefore installation, apply a thin translucent coat of Visilox V-711 silicone lubricant to the O-ring. This slip layer allows the ring to glide into the machined valve seat without bunching or rolling as the valve is torqued down, ensuring a uniform seal interface.\u003c\/p\u003e\n\n \u003ch3\u003eThread and Seat Hygiene\u003c\/h3\u003e\n \u003cp\u003eClean the cylinder neck threads and valve seat of any oxidation or debris before installing the new O-ring. Even a microscopic particle can act as a micro-wedge, creating a leak path that will slowly depressurize the cylinder between inspections.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 4: FAQ --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eFAQ\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ch3\u003eCan I use this O-ring on a 10 lb. ABC dry chemical extinguisher?\u003c\/h3\u003e\n \u003cp\u003eGenerally no. Dry chemical cylinders often use a different thread pitch and valve architecture. The 020601127 is specifically scaled for high-pressure CO2 service and is not interchangeable with dry chemical valve components.\u003c\/p\u003e\n\n \u003ch3\u003eHow do I know if my O-ring is failing?\u003c\/h3\u003e\n \u003cp\u003eThe primary indicator is slow-bleed pressure loss. If a CO2 unit weighs less than the gross weight stamped on the cylinder neck -- even if it has never been discharged -- the collar seal has likely failed. Any underweight unit should be removed from service and rebuilt immediately.\u003c\/p\u003e\n\n \u003ch3\u003eWhy is this better than a hardware store seal?\u003c\/h3\u003e\n \u003cp\u003eStandard hardware store rubber is not rated for 850 to 900 PSI and will become brittle under cryogenic discharge temperatures. Using non-OEM parts jeopardizes your facility's insurance coverage and voids the UL listing of the extinguisher.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript\u003e\ndocument.addEventListener('DOMContentLoaded', function() {\n const headers = document.querySelectorAll('.accordion-header');\n headers.forEach(header =\u003e {\n header.addEventListener('click', function() {\n this.parentElement.classList.toggle('active');\n });\n });\n});\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n \"@context\": \"https:\/\/schema.org\/\",\n \"@type\": \"Product\",\n \"name\": \"Victory CO2 Collar O-Ring | 5 lb. – 20 lb. Series | Part No. 020601127\",\n \"description\": \"UL Listed OEM collar O-ring for Victory plated brass CO2 extinguisher valves, 5 lb. through 20 lb. series. Pressure-rated synthetic elastomer rated for -22°F to 120°F (-30°C to 49°C). High-rebound formulation resists compression set over 5-year service intervals and cryogenic shock during discharge. Mandatory replacement at every NFPA 10 5-year internal examination. Visilox V-711 silicone lubricant required during installation. Non-OEM substitutes void UL listing.\",\n \"sku\": \"020601127\",\n \"mpn\": \"020601127\",\n \"brand\": {\n \"@type\": \"Brand\",\n \"name\": \"Victory\"\n },\n \"manufacturer\": {\n \"@type\": \"Organization\",\n \"name\": \"Victory Fire \u0026 Gas\"\n },\n \"category\": \"Fire Suppression Equipment\",\n \"additionalProperty\": [\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Material\",\n \"value\": \"Pressure-rated synthetic elastomer\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Compatibility\",\n \"value\": \"Victory plated brass CO2 valves, 5 lb. to 20 lb. series\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Operating Temperature\",\n \"value\": \"-22°F to 120°F (-30°C to 49°C)\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Compliance\",\n \"value\": \"NFPA 10\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Certifications\",\n \"value\": \"UL Listed, OEM Original\"\n }\n ]\n}\n\u003c\/script\u003e\n\n\n\u003c\/body\u003e","brand":"Victory","offers":[{"title":"Default Title","offer_id":47330708914341,"sku":null,"price":0.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/VictoryO-RingforCO5101520LBExtinguishers-020601127_95b74c15-f314-4083-9108-46cf99f7a105.webp?v=1771286498"},{"product_id":"amerex-oem-wet-chemical-gauge-100-psi-6-pack-17420","title":"Amerex OEM Wet Chemical Gauge (100 PSI), 6 Pack - 17420","description":"\u003cbody\u003e\n\n\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n\u003ctitle\u003eAmerex 17420 Wet Chemical \u0026amp; Water Gauge | 100 PSI | 6-Pack\u003c\/title\u003e\n\u003cstyle\u003e\n .product-section {\n max-width: 100%;\n margin: 2rem 0;\n font-family: Arial, sans-serif;\n color: #333;\n }\n .accordion-item {\n border-bottom: 1px solid #ddd;\n }\n .accordion-header {\n display: flex;\n justify-content: space-between;\n padding: 2rem 0;\n cursor: pointer;\n background: none;\n border: none;\n width: 100%;\n text-align: left;\n color: #333;\n }\n .accordion-header:hover,\n .accordion-header:focus {\n color: #333;\n background: none;\n outline: none;\n }\n .accordion-title {\n font-size: 1.5rem;\n font-weight: 500;\n }\n .accordion-icon {\n font-size: 1.5rem;\n }\n .accordion-item.active .accordion-icon {\n transform: rotate(180deg);\n }\n .accordion-content {\n max-height: 0;\n overflow: hidden;\n }\n .accordion-item.active .accordion-content {\n max-height: none;\n }\n .accordion-content-inner {\n font-size: 1.4rem;\n line-height: 1.7;\n color: #555;\n padding-bottom: 2rem;\n }\n .accordion-content-inner p {\n margin: 0 0 1rem 0;\n }\n .accordion-content-inner ul {\n margin: 0 0 1rem 0;\n padding-left: 2rem;\n }\n .accordion-content-inner h3 {\n font-size: 1.4rem;\n font-weight: 600;\n color: #333;\n margin: 1.5rem 0 0.5rem 0;\n }\n .specs-table {\n width: 100%;\n border-collapse: collapse;\n }\n .specs-table th,\n .specs-table td {\n border: 1px solid #ddd;\n padding: 0.75rem 1rem;\n font-size: 1.4rem;\n text-align: left;\n }\n .specs-table th {\n background-color: #f5f5f5;\n font-weight: 600;\n color: #333;\n }\n\u003c\/style\u003e\n\n\n\n\u003cdiv class=\"product-section\"\u003e\n\n \u003c!-- Section 1: Product Overview --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eProduct Overview\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003eThe Amerex 17420 is a specialized precision pressure gauge designed to provide at-a-glance verification for extinguishers that use liquid-based suppression agents, specifically the 6-Liter (B260) and 2.5-Gallon (B262) K-Class units found in nearly every commercial kitchen. Unlike general-purpose 195 PSI gauges, the 17420 is engineered to maintain accuracy while being subjected to the unique environmental stressors of a culinary line, including aerosolized grease, steam, and high humidity.\u003c\/p\u003e\n \u003cp\u003eFor service organizations and facility managers, the 17420-P006 6-pack ensures that a technician can address an entire suite of liquid-based units in a single facility walkthrough. Whether maintaining Water Mist (B270) units in an MRI suite or Class A Water (Model 240) units in a school hallway, this 6-pack ensures your fleet remains UL Listed and fully compliant with NFPA 10. Utilizing genuine Amerex 17420 gauges is a liability safeguard, ensuring the needle reflects the true potential energy of the cylinder.\u003c\/p\u003e\n\n \u003ch3\u003eStainless Steel Bourdon Tube\u003c\/h3\u003e\n \u003cp\u003eStandard gauges often utilize brass internal components that can undergo rapid oxidation when exposed to water-based agents, particularly the high-alkaline chemicals used in K-Class units. The 17420 utilizes a stainless steel Bourdon tube that maintains its elasticity and structural integrity in corrosive environments, ensuring the gauge doesn't seize in the green zone while the unit is actually losing pressure.\u003c\/p\u003e\n\n \u003ch3\u003eWide-Scale Legibility\u003c\/h3\u003e\n \u003cp\u003eBecause the total scale only reaches 200 PSI, the green operating zone is significantly wider and more legible than on a standard 400 PSI gauge, allowing for more precise field inspections. As internal pressure enters the gauge through the 1\/8\" NPT inlet, the stainless steel tube straightens in proportion to the applied pressure, translating through a precision gear train to the needle in a linear relationship.\u003c\/p\u003e\n\n \u003ch3\u003ePressure-Temperature Stability\u003c\/h3\u003e\n \u003cp\u003eIn a kitchen plenum where temperatures can fluctuate by 40°F or more during a shift, the 17420 is calibrated to minimize needle drift. This ensures that a unit doesn't falsely show an overcharge simply because the kitchen is running at peak capacity.\u003c\/p\u003e\n\n \u003ch3\u003eTargeted Application Across Liquid Agent Platforms\u003c\/h3\u003e\n \u003cp\u003eThe 17420 is the designated standard for K-Class commercial kitchen units, Water Mist (B270\/B272) units for MRI and sterile environments, AFFF foam units (Model 250), and Loaded Stream units (Model 252). The 100 PSI charge is vital for ensuring agent is delivered with enough force for effective saponification and proper foam expansion without dangerous splash-back.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 2: Technical Specifications --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eTechnical Specifications\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ctable class=\"specs-table\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eFeature\u003c\/th\u003e\n \u003cth\u003eDetails\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eManufacturer\u003c\/td\u003e\n \u003ctd\u003eAmerex Corporation\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePart Number\u003c\/td\u003e\n \u003ctd\u003e17420 (6-Pack: 17420-P006)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePressure Rating\u003c\/td\u003e\n \u003ctd\u003e100 PSI\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOperating Scale\u003c\/td\u003e\n \u003ctd\u003e0 \/ 100 \/ 200 PSI\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInternal Mechanism\u003c\/td\u003e\n \u003ctd\u003eStainless Steel Bourdon Tube\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCase Material\u003c\/td\u003e\n \u003ctd\u003ePolished Heavy-Duty Stainless Steel\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eConnection\u003c\/td\u003e\n \u003ctd\u003e1\/8\" NPT (Male)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCompatibility\u003c\/td\u003e\n \u003ctd\u003eWet Chemical, Water, Foam, Water Mist\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCertifications\u003c\/td\u003e\n \u003ctd\u003eUL Listed, OEM Original Equipment\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 3: Installation \u0026 Compliance --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eInstallation \u0026amp; Compliance\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ch3\u003eNeedle Elastic Lag Verification\u003c\/h3\u003e\n \u003cp\u003eDuring a 5-year hydrostatic test, the cylinder is depressurized. The technician must verify that the 17420 needle returns exactly to the 0 mark. If the needle hangs at 10 or 20 PSI, the internal stainless steel tube has taken a permanent set and the gauge must be discarded and replaced.\u003c\/p\u003e\n\n \u003ch3\u003eLens Integrity Audit\u003c\/h3\u003e\n \u003cp\u003eIn commercial kitchens, the plastic lens can become clouded by aerosolized grease. A clouded lens is an NFPA 10 deficiency because it prevents an immediate visual check. Treat the gauge lens as a consumable asset to ensure total visibility during monthly inspections.\u003c\/p\u003e\n\n \u003ch3\u003eThread Sealant Logic\u003c\/h3\u003e\n \u003cp\u003eWhen installing the 17420, use a minimal amount of PTFE tape on the 1\/8\" NPT inlet. Over-application can lead to sealant shards entering the gauge orifice, which can block the Bourdon tube and cause a static reading where the needle stays in the green even if the extinguisher has leaked.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 4: FAQ --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eFAQ\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ch3\u003eWhy is this gauge limited to 100 PSI?\u003c\/h3\u003e\n \u003cp\u003eLiquid-based agents are denser than powder. If they were discharged at 195 PSI, the kinetic energy would be high enough to splash burning grease out of a fryer. 100 PSI is the optimal pressure for controlled, liquid suppression and saponification without dangerous splash-back.\u003c\/p\u003e\n\n \u003ch3\u003eCan I use this 17420 on a non-Amerex extinguisher?\u003c\/h3\u003e\n \u003cp\u003eWhile the thread is a common plumbing standard, the internal calibration is specific to the Amerex valve and siphon tube architecture. Using this gauge on a different brand voids the UL listing and compromises the unit's compliance with NFPA 10 standards.\u003c\/p\u003e\n\n \u003ch3\u003eWhat happens if I put this on a 195 PSI ABC extinguisher by mistake?\u003c\/h3\u003e\n \u003cp\u003eThe needle will pin at the 200 PSI mark immediately. Because the internal spring and tube are only rated for 100 PSI operation, this over-pressurization will likely de-calibrate the gauge, making it useless for future service.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript\u003e\ndocument.addEventListener('DOMContentLoaded', function() {\n const headers = document.querySelectorAll('.accordion-header');\n headers.forEach(header =\u003e {\n header.addEventListener('click', function() {\n this.parentElement.classList.toggle('active');\n });\n });\n});\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n \"@context\": \"https:\/\/schema.org\/\",\n \"@type\": \"Product\",\n \"name\": \"Amerex 17420 Wet Chemical \u0026 Water Gauge | 100 PSI | 6-Pack\",\n \"description\": \"UL Listed 100 PSI stainless steel Bourdon tube pressure gauge for Amerex wet chemical (K-Class), water, foam, and water mist fire extinguishers. 0-200 PSI scale. Polished heavy-duty stainless steel case. 1\/8 inch NPT male connection. Corrosion-resistant for liquid-agent and high-alkaline chemical environments. Sold in 6-pack (17420-P006).\",\n \"sku\": \"17420-P006\",\n \"mpn\": \"17420\",\n \"brand\": {\n \"@type\": \"Brand\",\n \"name\": \"Amerex\"\n },\n \"manufacturer\": {\n \"@type\": \"Organization\",\n \"name\": \"Amerex Corporation\"\n },\n \"category\": \"Fire Suppression Equipment\",\n \"additionalProperty\": [\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Part Number\",\n \"value\": \"17420 (6-Pack: 17420-P006)\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Pressure Rating\",\n \"value\": \"100 PSI\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Operating Scale\",\n \"value\": \"0 \/ 100 \/ 200 PSI\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Internal Mechanism\",\n \"value\": \"Stainless Steel Bourdon Tube\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Case Material\",\n \"value\": \"Polished Heavy-Duty Stainless Steel\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Connection\",\n \"value\": \"1\/8 inch NPT (Male)\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Compatibility\",\n \"value\": \"Wet Chemical, Water, Foam, Water Mist\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Certifications\",\n \"value\": \"UL Listed, OEM Original Equipment\"\n }\n ]\n}\n\u003c\/script\u003e\n\n\n\u003c\/body\u003e","brand":"Amerex","offers":[{"title":"Default Title","offer_id":47413945303205,"sku":null,"price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/amerex-default-title-100-psi-gauge-s-s-tube-and-thread-17420-p006-33440324386981_11eddf9b-cb14-4c16-9854-a990c6381ef6.webp?v=1771286475"},{"product_id":"amerex-oem-wet-chemical-gauge-240-psi-6-pack-12402","title":"Amerex OEM Wet Chemical Gauge (240 PSI), 6 Pack - 12402","description":"\u003cbody\u003e\n\n\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n\u003ctitle\u003eAmerex 12402-P006 240 PSI Gauge | 6-Pack Service Inventory\u003c\/title\u003e\n\u003cstyle\u003e\n .product-section {\n max-width: 100%;\n margin: 2rem 0;\n font-family: Arial, sans-serif;\n color: #333;\n }\n .accordion-item {\n border-bottom: 1px solid #ddd;\n }\n .accordion-header {\n display: flex;\n justify-content: space-between;\n padding: 2rem 0;\n cursor: pointer;\n background: none;\n border: none;\n width: 100%;\n text-align: left;\n color: #333;\n }\n .accordion-header:hover,\n .accordion-header:focus {\n color: #333;\n background: none;\n outline: none;\n }\n .accordion-title {\n font-size: 1.5rem;\n font-weight: 500;\n }\n .accordion-icon {\n font-size: 1.5rem;\n }\n .accordion-item.active .accordion-icon {\n transform: rotate(180deg);\n }\n .accordion-content {\n max-height: 0;\n overflow: hidden;\n }\n .accordion-item.active .accordion-content {\n max-height: none;\n }\n .accordion-content-inner {\n font-size: 1.4rem;\n line-height: 1.7;\n color: #555;\n padding-bottom: 2rem;\n }\n .accordion-content-inner p {\n margin: 0 0 1rem 0;\n }\n .accordion-content-inner ul {\n margin: 0 0 1rem 0;\n padding-left: 2rem;\n }\n .accordion-content-inner h3 {\n font-size: 1.4rem;\n font-weight: 600;\n color: #333;\n margin: 1.5rem 0 0.5rem 0;\n }\n .specs-table {\n width: 100%;\n border-collapse: collapse;\n }\n .specs-table th,\n .specs-table td {\n border: 1px solid #ddd;\n padding: 0.75rem 1rem;\n font-size: 1.4rem;\n text-align: left;\n }\n .specs-table th {\n background-color: #f5f5f5;\n font-weight: 600;\n color: #333;\n }\n\u003c\/style\u003e\n\n\n\n\u003cdiv class=\"product-section\"\u003e\n\n \u003c!-- Section 1: Product Overview --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eProduct Overview\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003eThe Amerex 12402-P006 is the logistical workhorse for professional fire safety contractors and facility managers overseeing high-volume KP and ZD infrastructure. While a single gauge serves for a localized repair, the 6-pack service inventory is the service-van standard, ensuring technicians are fully equipped for multi-hood inspections and large-scale restaurant chain maintenance. Each gauge in the P006 bulk packaging is a precision-calibrated 240 PSI indicator housed in a heavy-duty stainless steel casing designed to resist the environmental stresses of commercial culinary environments.\u003c\/p\u003e\n \u003cp\u003eStandardizing on the 12402-P006 ensures that every agent cylinder in a portfolio remains compliant without the risk of second-trip service costs. Because Amerex wet chemical systems rely on specific pressure thresholds, having a consistent factory-calibrated inventory prevents the use of generic, low-precision alternatives. By utilizing the P006 service kit, contractors maintain institutional safety networks in a constant state of fleet procurement readiness, ensuring zero downtime for high-volume B2B clients.\u003c\/p\u003e\n\n \u003ch3\u003eMechanical Uniformity Across Manifold Arrays\u003c\/h3\u003e\n \u003cp\u003eWhen a technician is servicing a 10-cylinder manifold array, using a matching set of genuine Amerex gauges ensures consistent readings across the entire system. This mechanical uniformity is essential for professional calibration and eliminates the reading discrepancies that can arise when mixing OEM and aftermarket gauges on the same network.\u003c\/p\u003e\n\n \u003ch3\u003eInventory ROI and Fleet Procurement Readiness\u003c\/h3\u003e\n \u003cp\u003eProcurement in the P006 format reduces the per-unit cost and simplifies stock tracking for service fleets. Technicians carrying the 6-pack are equipped to address gauge replacements across an entire restaurant portfolio in a single dispatch, eliminating the overhead of return trips and fragmented ordering cycles.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 2: Applications \u0026 Use Cases --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eApplications \u0026amp; Use Cases\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003eThe 12402-P006 is purpose-built for professional service contractors managing large-scale Amerex KP and ZD suppression infrastructure. Key deployment contexts include:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eMulti-hood restaurant chain maintenance:\u003c\/strong\u003e When servicing locations with multiple suppression zones, the 6-pack ensures every hood's agent cylinder receives a matching, factory-calibrated gauge in a single service visit.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e10-cylinder manifold service tasks:\u003c\/strong\u003e Large commercial kitchens with manifold suppression arrays require gauge uniformity across the entire system. The P006 provides enough inventory to complete a full manifold replacement in one dispatch.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eNFPA 17A semi-annual contractor service:\u003c\/strong\u003e Fire safety service companies performing 6-month audits across multiple accounts benefit from carrying the 6-pack as standard van inventory, eliminating parts shortages during back-to-back inspection days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePost-hydrostatic test restoration:\u003c\/strong\u003e Following 12-year hydrostatic testing, gauges that fail the zero-return check must be discarded. The P006 ensures replacement units are immediately available on-site without delaying system recharge.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInstitutional portfolio management:\u003c\/strong\u003e Facility managers overseeing hospital cafeterias, university dining halls, and large hotel kitchens benefit from bulk inventory to address any gauge failure without waiting on parts procurement.\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 3: Technical Specifications --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eTechnical Specifications\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ctable class=\"specs-table\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eFeature\u003c\/th\u003e\n \u003cth\u003eDetails\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003ePart Number\u003c\/td\u003e\n \u003ctd\u003eAmerex 12402-P006 (6-Pack)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePressure Rating\u003c\/td\u003e\n \u003ctd\u003e240 PSI\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLogistics Type\u003c\/td\u003e\n \u003ctd\u003e6-Pack Service Inventory\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n \u003ctd\u003eAmerex KP and ZD Maintenance\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eConnection Thread\u003c\/td\u003e\n \u003ctd\u003e1\/8\" NPT (Center Back Mount)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCase Material\u003c\/td\u003e\n \u003ctd\u003ePolished Stainless Steel\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eQuantity\u003c\/td\u003e\n \u003ctd\u003e6 Gauges per Package\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCertifications\u003c\/td\u003e\n \u003ctd\u003eUL Listed, OEM System Replacement\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 4: Installation \u0026 Compliance --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eInstallation \u0026amp; Compliance\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ch3\u003eNo Field Calibration Required\u003c\/h3\u003e\n \u003cp\u003eEvery gauge in the 6-pack is factory-calibrated and hermetically sealed at the point of manufacture. Technicians can install directly from the package without any pre-installation calibration steps. If a gauge needle fails to return to zero during a hydrostatic test, it indicates internal fatigue and the unit should be discarded and replaced with a fresh gauge from the pack.\u003c\/p\u003e\n\n \u003ch3\u003eOEM-Only Compliance\u003c\/h3\u003e\n \u003cp\u003eWhile the 1\/8\" NPT thread is a common plumbing standard, the internal calibration of the 12402 is specifically tuned to the flow and density characteristics of Amerex agents. Using these gauges on competitive systems can lead to inaccurate pressure reporting and will void the UL Listing. All replacements must use OEM system parts to maintain compliance.\u003c\/p\u003e\n\n \u003ch3\u003eZero-Return Verification Protocol\u003c\/h3\u003e\n \u003cp\u003eFollowing any system discharge or 12-year hydrostatic test, each reinstalled gauge must be verified to return cleanly to zero when the cylinder is fully depressurized. Any gauge showing residual needle hang must be pulled from service and replaced with a unit from the current 12402-P006 inventory.\u003c\/p\u003e\n\n \u003ch3\u003eOrifice and Thread Seal Protocol\u003c\/h3\u003e\n \u003cp\u003eWhen applying thread sealant to the 1\/8\" NPT connection, ensure no sealant material enters the gauge orifice. A blocked orifice produces a static reading that does not reflect actual cylinder pressure changes, creating a false-safe condition during inspection.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 5: FAQ --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eFAQ\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ch3\u003eWhy should a service contractor prioritize the 6-pack over individual units?\u003c\/h3\u003e\n \u003cp\u003eThe P006 format offers a significant inventory ROI by reducing the per-unit cost and simplifying stock tracking for service fleets. When servicing a 10-cylinder manifold array, using a matching set of genuine Amerex gauges ensures consistent readings across the entire system, which is essential for professional calibration and audit documentation.\u003c\/p\u003e\n\n \u003ch3\u003eAre these gauges compatible with non-Amerex systems?\u003c\/h3\u003e\n \u003cp\u003eWhile the 1\/8\" NPT thread is a common plumbing standard, the internal calibration is specifically tuned to the flow and density characteristics of Amerex agents. Using these gauges on competitive systems can lead to inaccurate pressure reporting and will void the UL Listing. Always use OEM system replacement parts to maintain compliance.\u003c\/p\u003e\n\n \u003ch3\u003eDo these gauges require field calibration?\u003c\/h3\u003e\n \u003cp\u003eNo. Every gauge in the 6-pack is factory-calibrated and hermetically sealed. If a gauge needle fails to return to zero during a hydrostatic test, it indicates internal fatigue. The unit should be discarded and replaced with a fresh gauge from the pack to ensure multi-hood fire protection integrity.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript\u003e\ndocument.addEventListener('DOMContentLoaded', function() {\n const headers = document.querySelectorAll('.accordion-header');\n headers.forEach(header =\u003e {\n header.addEventListener('click', function() {\n this.parentElement.classList.toggle('active');\n });\n });\n});\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n \"@context\": \"https:\/\/schema.org\/\",\n \"@type\": \"Product\",\n \"name\": \"Amerex 12402-P006 240 PSI Gauge | 6-Pack Service Inventory\",\n \"description\": \"6-pack of factory-calibrated 240 PSI OEM gauges for Amerex Kitchen Protection (KP) and Zone Defense (ZD) wet chemical suppression systems. Polished stainless steel case. 1\/8 inch NPT center back mount connection. Designed for professional service contractors managing multi-hood and manifold suppression arrays. UL Listed.\",\n \"sku\": \"12402-P006\",\n \"mpn\": \"12402\",\n \"brand\": {\n \"@type\": \"Brand\",\n \"name\": \"Amerex\"\n },\n \"manufacturer\": {\n \"@type\": \"Organization\",\n \"name\": \"Amerex Corporation\"\n },\n \"category\": \"Fire Suppression Equipment\",\n \"additionalProperty\": [\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Pressure Rating\",\n \"value\": \"240 PSI\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Quantity\",\n \"value\": \"6 Gauges per Package\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"System Compatibility\",\n \"value\": \"Amerex KP and ZD Series\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Connection Thread\",\n \"value\": \"1\/8 inch NPT (Center Back Mount)\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Case Material\",\n \"value\": \"Polished Stainless Steel\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Certifications\",\n \"value\": \"UL Listed, OEM System Replacement\"\n }\n ]\n}\n\u003c\/script\u003e\n\n\n\u003c\/body\u003e","brand":"Amerex","offers":[{"title":"Default Title","offer_id":47414012543141,"sku":null,"price":209.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/AmerexOEMWetChemicalGauge_240PSI_6Pack-12402_ab920240-fef9-449b-b126-15a4e7d86b00.webp?v=1771286474"},{"product_id":"amerex-oem-wet-chemical-gauge-240-psi-6-pack-12402-copy","title":"Amerex OEM Wet Chemical Gauge (240 PSI), Single Item - 12402","description":"\u003cbody\u003e\n\n\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n\u003ctitle\u003eAmerex 12402 Wet Chemical Gauge | 240 PSI | KP \u0026amp; ZD Series\u003c\/title\u003e\n\u003cstyle\u003e\n .product-section {\n max-width: 100%;\n margin: 2rem 0;\n font-family: Arial, sans-serif;\n color: #333;\n }\n .accordion-item {\n border-bottom: 1px solid #ddd;\n }\n .accordion-header {\n display: flex;\n justify-content: space-between;\n padding: 2rem 0;\n cursor: pointer;\n background: none;\n border: none;\n width: 100%;\n text-align: left;\n color: #333;\n }\n .accordion-header:hover,\n .accordion-header:focus {\n color: #333;\n background: none;\n outline: none;\n }\n .accordion-title {\n font-size: 1.5rem;\n font-weight: 500;\n }\n .accordion-icon {\n font-size: 1.5rem;\n }\n .accordion-item.active .accordion-icon {\n transform: rotate(180deg);\n }\n .accordion-content {\n max-height: 0;\n overflow: hidden;\n }\n .accordion-item.active .accordion-content {\n max-height: none;\n }\n .accordion-content-inner {\n font-size: 1.4rem;\n line-height: 1.7;\n color: #555;\n padding-bottom: 2rem;\n }\n .accordion-content-inner p {\n margin: 0 0 1rem 0;\n }\n .accordion-content-inner ul {\n margin: 0 0 1rem 0;\n padding-left: 2rem;\n }\n .accordion-content-inner h3 {\n font-size: 1.4rem;\n font-weight: 600;\n color: #333;\n margin: 1.5rem 0 0.5rem 0;\n }\n .specs-table {\n width: 100%;\n border-collapse: collapse;\n }\n .specs-table th,\n .specs-table td {\n border: 1px solid #ddd;\n padding: 0.75rem 1rem;\n font-size: 1.4rem;\n text-align: left;\n }\n .specs-table th {\n background-color: #f5f5f5;\n font-weight: 600;\n color: #333;\n }\n\u003c\/style\u003e\n\n\n\n\u003cdiv class=\"product-section\"\u003e\n\n \u003c!-- Section 1: Product Overview --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eProduct Overview\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003eThe Amerex 12402 Wet Chemical Gauge is the mission-critical visual readiness indicator for the Amerex Kitchen Protection (KP) and Zone Defense (ZD) suppression systems. In a commercial kitchen, where aerosolized grease and extreme thermal fluctuations are the norm, the 12402 serves as the definitive monitor for system readiness. This 240 PSI system monitor is a precision-calibrated instrument designed to provide restaurant operators, facility managers, and fire safety technicians with an instantaneous, at-a-glance verification of the agent cylinder's internal pressure.\u003c\/p\u003e\n \u003cp\u003eWhile portable extinguishers often operate at lower pressures, the pre-engineered KP and ZD systems require a higher energy state to drive high-viscosity wet chemical agent through complex piping networks. Utilizing the genuine OEM 12402-P001 ensures that your suppression infrastructure remains at its UL-rated operating pressure, providing the reliability required for 24\/7 cooking operations.\u003c\/p\u003e\n\n \u003ch3\u003eBourdon Tube Mechanism\u003c\/h3\u003e\n \u003cp\u003eInternally, the 12402 utilizes a C-shaped Bourdon tube. As internal pressure from the wet chemical cylinder enters the gauge through the 1\/8\" NPT pressure port, the tube attempts to straighten, and that mechanical movement is translated through a precision gear train to the needle. This linear pressure-to-displacement relationship ensures the gauge provides a true reading of the cylinder's potential energy rather than a loose estimate, which is what separates an OEM pre-engineered suppression gauge from generic aftermarket alternatives.\u003c\/p\u003e\n\n \u003ch3\u003ePressure-Temperature Equilibrium\u003c\/h3\u003e\n \u003cp\u003eWet chemical systems are pressurized with nitrogen to a working pressure of 240 PSI at 70°F (21°C). Because gases are sensitive to temperature changes, the green zone indicator is specifically calibrated to account for standard operating temperatures in commercial kitchen plenum environments. This calibration prevents nuisance inspections caused by minor thermal expansions while still highlighting genuine pressure loss that could compromise a discharge.\u003c\/p\u003e\n\n \u003ch3\u003eGrease Rain Resistance\u003c\/h3\u003e\n \u003cp\u003eThe 12402 features a polished stainless steel case and a shatter-resistant lens engineered to resist the constant accumulation of aerosolized lipids and carbonized debris. Unlike plastic-cased gauges, the 12402 will not cloud, yellow, or become brittle over its service life.\u003c\/p\u003e\n\n \u003ch3\u003eCaustic Chemical Shielding\u003c\/h3\u003e\n \u003cp\u003eDuring hood cleaning, exhaust systems are often sprayed with high-alkaline degreasers. The stainless steel housing and sealed lens design prevent these caustic agents from entering the internal gear train, ensuring the gauge remains accurate even after years of heavy maintenance cycles.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 2: Applications \u0026 Use Cases --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eApplications \u0026amp; Use Cases\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003eThe 12402 is the designated pressure monitoring gauge for Amerex KP and ZD wet chemical suppression systems in commercial cooking environments. Key deployment contexts include:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eCommercial restaurant kitchens:\u003c\/strong\u003e High-volume cooking operations require continuous 240 PSI system monitoring to confirm the agent cylinder is ready for immediate discharge across the full piping network.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eNFPA 17A semi-annual inspections:\u003c\/strong\u003e The 12402 is a primary audit point during the mandated 6-month service, providing the green zone verification required to clear a system for continued operation.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePost-discharge system restoration:\u003c\/strong\u003e Following any system activation or 12-year hydrostatic test, the 12402 must be verified to return to zero when depressurized. Any gauge showing elastic lag must be replaced before the system is returned to service.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHigh-vibration kitchen environments:\u003c\/strong\u003e The stainless steel case and sealed lens make the 12402 the correct replacement gauge for kitchens with heavy exhaust fan vibration, where plastic-cased gauges degrade rapidly.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eOEM gauge replacement:\u003c\/strong\u003e Any 12402 with a cracked lens, clouded face, or physical damage must be replaced immediately to maintain the system's UL 300 listing.\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 3: Technical Specifications --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eTechnical Specifications\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ctable class=\"specs-table\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eFeature\u003c\/th\u003e\n \u003cth\u003eDetails\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eManufacturer\u003c\/td\u003e\n \u003ctd\u003eAmerex Corporation\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePart Number\u003c\/td\u003e\n \u003ctd\u003eAmerex 12402 (Single: 12402-P001)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePressure Rating\u003c\/td\u003e\n \u003ctd\u003e240 PSI\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCompatibility\u003c\/td\u003e\n \u003ctd\u003eAmerex KP and ZD Series (Zone Defense)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eConnection\u003c\/td\u003e\n \u003ctd\u003e1\/8\" NPT Pressure Port (Male)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOperating Temperature\u003c\/td\u003e\n \u003ctd\u003e-20°F to 120°F (-29°C to 49°C)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCase Material\u003c\/td\u003e\n \u003ctd\u003ePolished Heavy-Duty Stainless Steel\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCompliance\u003c\/td\u003e\n \u003ctd\u003eUL Listed, NFPA 17A 6-Month Audit Ready\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 4: Maintenance \u0026 Protocols --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eMaintenance \u0026amp; Protocols\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ch3\u003eThe Green Zone Audit\u003c\/h3\u003e\n \u003cp\u003eUnder NFPA 17A and NFPA 96, the suppression system gauge is a primary inspection point during every semi-annual service. Technicians must verify the needle is firmly centered within the green operating range. A needle in the recharge zone indicates a mechanical leak that requires immediate decommissioning of the cooking line until the system is restored.\u003c\/p\u003e\n\n \u003ch3\u003eElastic Lag and Memory Verification\u003c\/h3\u003e\n \u003cp\u003eDuring a system discharge or the 12-year hydrostatic test, the gauge must return to exactly zero when the cylinder is depressurized. If the needle hangs or shows residual pressure when the tank is empty, the internal Bourdon tube has suffered elastic lag failure and the 12402 must be replaced to maintain system integrity.\u003c\/p\u003e\n\n \u003ch3\u003eShatter-Resistant Lens Integrity\u003c\/h3\u003e\n \u003cp\u003eImpact damage in a busy kitchen can crack a gauge lens, allowing moisture to enter the mechanism and corrode the internal gears. Any physical compromise to the 12402 requires an immediate OEM replacement to maintain the system's UL 300 safety listing.\u003c\/p\u003e\n\n \u003ch3\u003eOrifice Protection During Installation\u003c\/h3\u003e\n \u003cp\u003eWhen applying thread sealant to the 1\/8\" NPT pressure port, ensure no material enters the gauge orifice. A blocked orifice will result in a static reading that fails to reflect actual pressure changes in the cylinder.\u003c\/p\u003e\n\n \u003ch3\u003eThe Wrench-Flat Rule\u003c\/h3\u003e\n \u003cp\u003eAlways use a small wrench on the machined flats of the gauge base. Never tighten the 12402 by hand-turning the stainless steel case, as this can de-calibrate the internal mechanism and lead to inaccurate readings.\u003c\/p\u003e\n\n \u003ch3\u003eVibration Management\u003c\/h3\u003e\n \u003cp\u003eIn kitchens with high-vibration exhaust fans, ensure the agent cylinder is mounted securely. Constant oscillation can cause the gauge needle to vibrate, leading to premature wear of the internal gear train.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 5: FAQ --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eFAQ\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ch3\u003eCan I use the 12402 on my 10 lb. ABC portable extinguisher?\u003c\/h3\u003e\n \u003cp\u003eNo. Portable ABC extinguishers typically operate at 195 PSI and use a different gauge profile. The 12402 is specifically calibrated for the 240 PSI requirements of the KP and ZD suppression systems. Using the wrong gauge will provide a false safe reading on a system that is actually under-pressurized.\u003c\/p\u003e\n\n \u003ch3\u003eWhy is the case made of stainless steel instead of brass?\u003c\/h3\u003e\n \u003cp\u003eStainless steel provides superior resistance to the high-alkaline environments of commercial kitchens. When wet chemical agents or heavy degreasers contact brass, they can cause verdigris corrosion. Stainless steel remains inert and easy to clean, preserving long-term system readiness.\u003c\/p\u003e\n\n \u003ch3\u003eDoes this gauge work with the Amerex IS (Industrial) systems?\u003c\/h3\u003e\n \u003cp\u003eGenerally, no. Amerex Industrial systems often utilize different operating pressures and agent-specific gauges. Always verify the PSI requirements stamped on your agent cylinder before installing a wet chemical gauge replacement.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript\u003e\ndocument.addEventListener('DOMContentLoaded', function() {\n const headers = document.querySelectorAll('.accordion-header');\n headers.forEach(header =\u003e {\n header.addEventListener('click', function() {\n this.parentElement.classList.toggle('active');\n });\n });\n});\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n \"@context\": \"https:\/\/schema.org\/\",\n \"@type\": \"Product\",\n \"name\": \"Amerex 12402 Wet Chemical Gauge | 240 PSI\",\n \"description\": \"OEM 240 PSI pressure gauge for Amerex Kitchen Protection (KP) and Zone Defense (ZD) wet chemical suppression systems. Polished stainless steel case with shatter-resistant lens. 1\/8 inch NPT male connection. Calibrated for commercial kitchen plenum environments. UL Listed and NFPA 17A semi-annual audit ready.\",\n \"sku\": \"12402-P001\",\n \"mpn\": \"12402\",\n \"brand\": {\n \"@type\": \"Brand\",\n \"name\": \"Amerex\"\n },\n \"manufacturer\": {\n \"@type\": \"Organization\",\n \"name\": \"Amerex Corporation\"\n },\n \"category\": \"Fire Suppression Equipment\",\n \"additionalProperty\": [\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Pressure Rating\",\n \"value\": \"240 PSI\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Compatibility\",\n \"value\": \"Amerex KP and ZD Series (Zone Defense)\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Connection\",\n \"value\": \"1\/8 inch NPT Pressure Port (Male)\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Operating Temperature\",\n \"value\": \"-20°F to 120°F (-29°C to 49°C)\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Case Material\",\n \"value\": \"Polished Heavy-Duty Stainless Steel\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Compliance\",\n \"value\": \"UL Listed, NFPA 17A 6-Month Audit Ready\"\n }\n ]\n}\n\u003c\/script\u003e\n\n\n\u003c\/body\u003e","brand":"Amerex","offers":[{"title":"Default Title","offer_id":47414020309157,"sku":null,"price":31.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/AmerexOEMWetChemicalGauge_240PSI_6Pack-12402_00d1d487-ac41-4b54-b9b6-14cdef14b94b.webp?v=1771286474"},{"product_id":"ansul-oem-o-ring-214-428327","title":"Ansul OEM O-Ring #214, Single Item - 428327","description":"\u003cbody\u003e\n\n\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n\u003ctitle\u003eAnsul 428327-P001 Quad-Ring Collar Seal\u003c\/title\u003e\n\u003cstyle\u003e\n .product-section {\n max-width: 100%;\n margin: 2rem 0;\n font-family: Arial, sans-serif;\n color: #333;\n }\n .accordion-item {\n border-bottom: 1px solid #ddd;\n }\n .accordion-header {\n display: flex;\n justify-content: space-between;\n align-items: center;\n padding: 2rem 0;\n cursor: pointer;\n background: none;\n border: none;\n width: 100%;\n text-align: left;\n color: #333;\n }\n .accordion-title {\n font-size: 1.5rem;\n font-weight: 500;\n }\n .accordion-icon {\n font-size: 1.5rem;\n }\n .accordion-item.active .accordion-icon {\n transform: rotate(180deg);\n }\n .accordion-content {\n max-height: 0;\n overflow: hidden;\n }\n .accordion-item.active .accordion-content {\n max-height: none;\n }\n .accordion-content-inner {\n font-size: 1.4rem;\n line-height: 1.7;\n color: #555;\n padding-bottom: 2rem;\n }\n .specs-table {\n width: 100%;\n border-collapse: collapse;\n }\n .specs-table th,\n .specs-table td {\n border: 1px solid #ddd;\n padding: 0.75rem 1rem;\n text-align: left;\n font-size: 1.4rem;\n }\n .specs-table th {\n font-weight: 600;\n background-color: #f7f7f7;\n color: #333;\n }\n .accordion-content-inner h3 {\n font-size: 1.5rem;\n font-weight: 500;\n margin: 1.5rem 0 0.5rem;\n color: #333;\n }\n\u003c\/style\u003e\n\n\n\n\u003cdiv class=\"product-section\"\u003e\n\n \u003c!-- Section 1: Product Overview --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eProduct Overview\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003eThe Ansul 428327 is #214 Quad-Ring collar seal, purpose-built for precision field service on the Ansul Sentry stored-pressure extinguisher line. Where bulk packs are suited to large-scale facility overhauls, the 428327-P001 is the strategic choice for emergency go-bag repair and localized extinguisher recharge tasks. This multi-lobed elastomer serves as the primary pressure barrier for the entire Sentry stored-pressure line, including 5 lb, 10 lb, and 20 lb dry chemical models, as well as Cleanguard Halotron I maintenance applications.\u003c\/p\u003e\n \u003cp\u003eUnlike standard round O-rings, the 428327 utilizes a unique four-lobed cross-section engineered for spiral failure elimination. Spiral failure is a common issue where a seal rolls during the high-torque installation of a heavy brass valve into a steel cylinder. The four distinct lobes provide a superior gas-tight interface, ensuring that even if one surface is slightly compromised by ABC powder, the secondary lobes maintain the seal. Utilizing this individual OEM component ensures your Sentry stored-pressure line returns to a UL Listed state without the overhead of opening industrial inventory.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 2: Applications \u0026 Use Cases --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eApplications \u0026amp; Use Cases\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003eThe 428327 is the definitive Sentry valve-to-collar seal for technicians performing precision field service. Key use cases include:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eEmergency maintenance:\u003c\/strong\u003e When an extinguisher is found depressurized during a monthly inspection, the O-Ring 428327 allows for a full recharge and 6-year maintenance cycle without depleting bulk inventory earmarked for large-scale contracts.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eGo-bag repair kits:\u003c\/strong\u003e The single-unit format is ideal for technicians who carry a compact set of critical components for on-site response without overstocking field kits.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDry chemical extinguisher service:\u003c\/strong\u003e Compatible with ABC, BC, and PK dry chemical agents across the Sentry A05, AA05, A10, AA10, and AA20 model range.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHalotron I maintenance:\u003c\/strong\u003e Fully compatible with Cleanguard Halotron I applications, expanding utility across clean-agent extinguisher servicing.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLocalized recharge tasks:\u003c\/strong\u003e Where only one or a small number of units require service, the format avoids unnecessary opening of bulk inventory.\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 3: Technical Specifications --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eTechnical Specifications\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ctable class=\"specs-table\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eFeature\u003c\/th\u003e\n \u003cth\u003eDetails\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003ePart Number\u003c\/td\u003e\n \u003ctd\u003eAnsul 428327-P001 (Single Item)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eIndustry Size Code\u003c\/td\u003e\n \u003ctd\u003e#214\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSeal Type\u003c\/td\u003e\n \u003ctd\u003eMulti-Lobed Elastomer (Quad-Ring)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCompatible Extinguishers\u003c\/td\u003e\n \u003ctd\u003eAnsul Sentry (A05, AA05, A10, AA10, AA20)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eAgent Compatibility\u003c\/td\u003e\n \u003ctd\u003eDry Chemical (ABC, BC, PK), Halotron I\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInstallation Lubricant\u003c\/td\u003e\n \u003ctd\u003eVisilox V-711 (Required)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCertifications\u003c\/td\u003e\n \u003ctd\u003eUL Listed, OEM Original Equipment\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 4: Installation \u0026 Safety --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eInstallation \u0026amp; Safety\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003e\u003cstrong\u003eLubrication is required.\u003c\/strong\u003e Because the Quad-Ring has four lobes, there is more surface area for friction than a standard O-ring. Technicians must apply a light coating of Visilox V-711 or an equivalent Ansul-approved silicone lubricant before installation. This ensures the lobes slide into the collar groove without pinching, which prevents microscopic leak paths that would cause gradual depressurization.\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eApplication is limited to the Sentry series only.\u003c\/strong\u003e The 428327 is not compatible with the Ansul Red Line series. Red Line units use cartridge-operated technology and have significantly different valve-to-collar interfaces. Installing this seal on a Red Line unit will result in immediate depressurization and a major code violation. Always verify the model series before beginning service.\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eOEM compliance:\u003c\/strong\u003e Using the original Ansul 428327 seal is the only way to ensure the Sentry extinguisher returns to its UL Listed state following a 6-year maintenance or recharge service. Substituting non-OEM seals may void certification and create liability exposure during inspections.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 5: FAQ --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eFAQ\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n\n \u003ch3\u003eWhen is it better to buy the single P\/N 428327-P001 instead of the 100-pack?\u003c\/h3\u003e\n \u003cp\u003eThe single item is the definitive choice for emergency maintenance. If an extinguisher is found depressurized during a monthly inspection, the 428327-P001 allows for a full recharge and 6-year maintenance cycle without depleting bulk inventory earmarked for large-scale contracts.\u003c\/p\u003e\n\n \u003ch3\u003eDoes this #214 seal require specific lubrication?\u003c\/h3\u003e\n \u003cp\u003eYes. Because the Quad-Ring has four lobes, there is more surface area for friction than a standard O-ring. Technicians should apply a light coating of Visilox V-711 or an equivalent Ansul-approved silicone lubricant. This ensures the lobes slide into the collar groove without pinching, preventing microscopic leak paths.\u003c\/p\u003e\n\n \u003ch3\u003eCan I use this O-ring on an Ansul Red Line unit?\u003c\/h3\u003e\n \u003cp\u003eNo. The Ansul Red Line series uses cartridge-operated technology and has significantly different valve-to-collar interfaces. The 428327-P001 is specifically listed for the Sentry series. Using this seal on a Red Line unit will lead to immediate depressurization and a major code violation.\u003c\/p\u003e\n\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript\u003e\ndocument.addEventListener('DOMContentLoaded', function() {\n const headers = document.querySelectorAll('.accordion-header');\n headers.forEach(header =\u003e {\n header.addEventListener('click', function() {\n this.parentElement.classList.toggle('active');\n });\n });\n});\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n \"@context\": \"https:\/\/schema.org\/\",\n \"@type\": \"Product\",\n \"name\": \"Ansul 428327-P001 Quad-Ring Collar Seal\",\n \"description\": \"Single-unit #214 Quad-Ring collar seal for Ansul Sentry stored-pressure fire extinguishers. Multi-lobed elastomer design eliminates spiral failure during valve installation. Compatible with 5 lb, 10 lb, and 20 lb dry chemical models and Halotron I applications. UL Listed OEM original equipment.\",\n \"sku\": \"428327-P001\",\n \"mpn\": \"428327\",\n \"brand\": {\n \"@type\": \"Brand\",\n \"name\": \"Ansul\"\n },\n \"manufacturer\": {\n \"@type\": \"Organization\",\n \"name\": \"Ansul\"\n },\n \"category\": \"Fire Suppression Equipment\",\n \"additionalProperty\": [\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Industry Size Code\",\n \"value\": \"#214\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Seal Type\",\n \"value\": \"Multi-Lobed Elastomer (Quad-Ring)\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Compatible Extinguishers\",\n \"value\": \"Ansul Sentry A05, AA05, A10, AA10, AA20\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Agent Compatibility\",\n \"value\": \"Dry Chemical (ABC, BC, PK), Halotron I\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Installation Lubricant\",\n \"value\": \"Visilox V-711 (Required)\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Certifications\",\n \"value\": \"UL Listed, OEM Original Equipment\"\n }\n ]\n}\n\u003c\/script\u003e\n\n\n\u003c\/body\u003e","brand":"Ansul","offers":[{"title":"Default Title","offer_id":47424581533861,"sku":null,"price":0.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/AnsulOEMO-Ring_214-428327_b662eb8b-311a-4590-aaae-5e6e577b9a13.webp?v=1771286457"},{"product_id":"ansul-oem-o-ring-214-pack-of-100-428327","title":"Ansul OEM O-Ring #214, Pack of 100 - 428327","description":"\u003cbody\u003e\n\n\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n\u003ctitle\u003eAnsul 428327-P001 Quad-Ring Collar Seal\u003c\/title\u003e\n\u003cstyle\u003e\n .product-section {\n max-width: 100%;\n margin: 2rem 0;\n font-family: Arial, sans-serif;\n color: #333;\n }\n .accordion-item {\n border-bottom: 1px solid #ddd;\n }\n .accordion-header {\n display: flex;\n justify-content: space-between;\n align-items: center;\n padding: 2rem 0;\n cursor: pointer;\n background: none;\n border: none;\n width: 100%;\n text-align: left;\n color: #333;\n }\n .accordion-title {\n font-size: 1.5rem;\n font-weight: 500;\n }\n .accordion-icon {\n font-size: 1.5rem;\n }\n .accordion-item.active .accordion-icon {\n transform: rotate(180deg);\n }\n .accordion-content {\n max-height: 0;\n overflow: hidden;\n }\n .accordion-item.active .accordion-content {\n max-height: none;\n }\n .accordion-content-inner {\n font-size: 1.4rem;\n line-height: 1.7;\n color: #555;\n padding-bottom: 2rem;\n }\n .specs-table {\n width: 100%;\n border-collapse: collapse;\n }\n .specs-table th,\n .specs-table td {\n border: 1px solid #ddd;\n padding: 0.75rem 1rem;\n text-align: left;\n font-size: 1.4rem;\n }\n .specs-table th {\n font-weight: 600;\n background-color: #f7f7f7;\n color: #333;\n }\n .accordion-content-inner h3 {\n font-size: 1.5rem;\n font-weight: 500;\n margin: 1.5rem 0 0.5rem;\n color: #333;\n }\n\u003c\/style\u003e\n\n\n\n\u003cdiv class=\"product-section\"\u003e\n\n \u003c!-- Section 1: Product Overview --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eProduct Overview\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003eThe Ansul 428327 is #214 Quad-Ring collar seal, purpose-built for precision field service on the Ansul Sentry stored-pressure extinguisher line. Where bulk packs are suited to large-scale facility overhauls, the 428327-P001 is the strategic choice for emergency go-bag repair and localized extinguisher recharge tasks. This multi-lobed elastomer serves as the primary pressure barrier for the entire Sentry stored-pressure line, including 5 lb, 10 lb, and 20 lb dry chemical models, as well as Cleanguard Halotron I maintenance applications.\u003c\/p\u003e\n \u003cp\u003eUnlike standard round O-rings, the 428327 utilizes a unique four-lobed cross-section engineered for spiral failure elimination. Spiral failure is a common issue where a seal rolls during the high-torque installation of a heavy brass valve into a steel cylinder. The four distinct lobes provide a superior gas-tight interface, ensuring that even if one surface is slightly compromised by ABC powder, the secondary lobes maintain the seal. Utilizing this individual OEM component ensures your Sentry stored-pressure line returns to a UL Listed state without the overhead of opening industrial inventory.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 2: Applications \u0026 Use Cases --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eApplications \u0026amp; Use Cases\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003eThe 428327 is the definitive Sentry valve-to-collar seal for technicians performing precision field service. Key use cases include:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eEmergency maintenance:\u003c\/strong\u003e When an extinguisher is found depressurized during a monthly inspection, the O-Ring 428327 allows for a full recharge and 6-year maintenance cycle without depleting bulk inventory earmarked for large-scale contracts.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eGo-bag repair kits:\u003c\/strong\u003e The single-unit format is ideal for technicians who carry a compact set of critical components for on-site response without overstocking field kits.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDry chemical extinguisher service:\u003c\/strong\u003e Compatible with ABC, BC, and PK dry chemical agents across the Sentry A05, AA05, A10, AA10, and AA20 model range.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHalotron I maintenance:\u003c\/strong\u003e Fully compatible with Cleanguard Halotron I applications, expanding utility across clean-agent extinguisher servicing.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLocalized recharge tasks:\u003c\/strong\u003e Where only one or a small number of units require service, the format avoids unnecessary opening of bulk inventory.\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 3: Technical Specifications --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eTechnical Specifications\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ctable class=\"specs-table\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eFeature\u003c\/th\u003e\n \u003cth\u003eDetails\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003ePart Number\u003c\/td\u003e\n \u003ctd\u003eAnsul 428327-P001 (Single Item)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eIndustry Size Code\u003c\/td\u003e\n \u003ctd\u003e#214\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSeal Type\u003c\/td\u003e\n \u003ctd\u003eMulti-Lobed Elastomer (Quad-Ring)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCompatible Extinguishers\u003c\/td\u003e\n \u003ctd\u003eAnsul Sentry (A05, AA05, A10, AA10, AA20)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eAgent Compatibility\u003c\/td\u003e\n \u003ctd\u003eDry Chemical (ABC, BC, PK), Halotron I\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInstallation Lubricant\u003c\/td\u003e\n \u003ctd\u003eVisilox V-711 (Required)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCertifications\u003c\/td\u003e\n \u003ctd\u003eUL Listed, OEM Original Equipment\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 4: Installation \u0026 Safety --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eInstallation \u0026amp; Safety\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003e\u003cstrong\u003eLubrication is required.\u003c\/strong\u003e Because the Quad-Ring has four lobes, there is more surface area for friction than a standard O-ring. Technicians must apply a light coating of Visilox V-711 or an equivalent Ansul-approved silicone lubricant before installation. This ensures the lobes slide into the collar groove without pinching, which prevents microscopic leak paths that would cause gradual depressurization.\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eApplication is limited to the Sentry series only.\u003c\/strong\u003e The 428327 is not compatible with the Ansul Red Line series. Red Line units use cartridge-operated technology and have significantly different valve-to-collar interfaces. Installing this seal on a Red Line unit will result in immediate depressurization and a major code violation. Always verify the model series before beginning service.\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eOEM compliance:\u003c\/strong\u003e Using the original Ansul 428327 seal is the only way to ensure the Sentry extinguisher returns to its UL Listed state following a 6-year maintenance or recharge service. Substituting non-OEM seals may void certification and create liability exposure during inspections.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 5: FAQ --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eFAQ\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n\n \u003ch3\u003eWhen is it better to buy the single P\/N 428327-P001 instead of the 100-pack?\u003c\/h3\u003e\n \u003cp\u003eThe single item is the definitive choice for emergency maintenance. If an extinguisher is found depressurized during a monthly inspection, the 428327-P001 allows for a full recharge and 6-year maintenance cycle without depleting bulk inventory earmarked for large-scale contracts.\u003c\/p\u003e\n\n \u003ch3\u003eDoes this #214 seal require specific lubrication?\u003c\/h3\u003e\n \u003cp\u003eYes. Because the Quad-Ring has four lobes, there is more surface area for friction than a standard O-ring. Technicians should apply a light coating of Visilox V-711 or an equivalent Ansul-approved silicone lubricant. This ensures the lobes slide into the collar groove without pinching, preventing microscopic leak paths.\u003c\/p\u003e\n\n \u003ch3\u003eCan I use this O-ring on an Ansul Red Line unit?\u003c\/h3\u003e\n \u003cp\u003eNo. The Ansul Red Line series uses cartridge-operated technology and has significantly different valve-to-collar interfaces. The 428327-P001 is specifically listed for the Sentry series. Using this seal on a Red Line unit will lead to immediate depressurization and a major code violation.\u003c\/p\u003e\n\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript\u003e\ndocument.addEventListener('DOMContentLoaded', function() {\n const headers = document.querySelectorAll('.accordion-header');\n headers.forEach(header =\u003e {\n header.addEventListener('click', function() {\n this.parentElement.classList.toggle('active');\n });\n });\n});\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n \"@context\": \"https:\/\/schema.org\/\",\n \"@type\": \"Product\",\n \"name\": \"Ansul 428327-P001 Quad-Ring Collar Seal\",\n \"description\": \"Single-unit #214 Quad-Ring collar seal for Ansul Sentry stored-pressure fire extinguishers. Multi-lobed elastomer design eliminates spiral failure during valve installation. Compatible with 5 lb, 10 lb, and 20 lb dry chemical models and Halotron I applications. UL Listed OEM original equipment.\",\n \"sku\": \"428327-P001\",\n \"mpn\": \"428327\",\n \"brand\": {\n \"@type\": \"Brand\",\n \"name\": \"Ansul\"\n },\n \"manufacturer\": {\n \"@type\": \"Organization\",\n \"name\": \"Ansul\"\n },\n \"category\": \"Fire Suppression Equipment\",\n \"additionalProperty\": [\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Industry Size Code\",\n \"value\": \"#214\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Seal Type\",\n \"value\": \"Multi-Lobed Elastomer (Quad-Ring)\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Compatible Extinguishers\",\n \"value\": \"Ansul Sentry A05, AA05, A10, AA10, AA20\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Agent Compatibility\",\n \"value\": \"Dry Chemical (ABC, BC, PK), Halotron I\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Installation Lubricant\",\n \"value\": \"Visilox V-711 (Required)\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Certifications\",\n \"value\": \"UL Listed, OEM Original Equipment\"\n }\n ]\n}\n\u003c\/script\u003e\n\n\n\u003c\/body\u003e","brand":"Ansul","offers":[{"title":"Default Title","offer_id":47424612663461,"sku":null,"price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/AnsulOEMO-Ring_214-428327_2e7173d1-4671-4a7a-b57c-a7e813df2f8c.webp?v=1771286457"},{"product_id":"pyro-chem-o-ring-009-single-item-055531","title":"Pyro-Chem O-ring #009, Single Item - 055531","description":"\u003cbody\u003e\n\n\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n\u003ctitle\u003ePyro-Chem 055531 O-Ring #009 | Cartridge Receiver Series\u003c\/title\u003e\n\u003cstyle\u003e\n .product-section {\n max-width: 100%;\n margin: 2rem 0;\n font-family: Arial, sans-serif;\n color: #333;\n }\n .accordion-item {\n border-bottom: 1px solid #ddd;\n }\n .accordion-header {\n display: flex;\n justify-content: space-between;\n padding: 2rem 0;\n cursor: pointer;\n background: none;\n border: none;\n width: 100%;\n text-align: left;\n color: #333;\n }\n .accordion-header:hover,\n .accordion-header:focus {\n color: #333;\n background: none;\n outline: none;\n }\n .accordion-title {\n font-size: 1.5rem;\n font-weight: 500;\n }\n .accordion-icon {\n font-size: 1.5rem;\n }\n .accordion-item.active .accordion-icon {\n transform: rotate(180deg);\n }\n .accordion-content {\n max-height: 0;\n overflow: hidden;\n }\n .accordion-item.active .accordion-content {\n max-height: none;\n }\n .accordion-content-inner {\n font-size: 1.4rem;\n line-height: 1.7;\n color: #555;\n padding-bottom: 2rem;\n }\n .accordion-content-inner p {\n margin: 0 0 1rem 0;\n }\n .accordion-content-inner ul {\n margin: 0 0 1rem 0;\n padding-left: 2rem;\n }\n .accordion-content-inner h3 {\n font-size: 1.4rem;\n font-weight: 600;\n color: #333;\n margin: 1.5rem 0 0.5rem 0;\n }\n .specs-table {\n width: 100%;\n border-collapse: collapse;\n }\n .specs-table th,\n .specs-table td {\n border: 1px solid #ddd;\n padding: 0.75rem 1rem;\n font-size: 1.4rem;\n text-align: left;\n }\n .specs-table th {\n background-color: #f5f5f5;\n font-weight: 600;\n color: #333;\n }\n\u003c\/style\u003e\n\n\n\n\u003cdiv class=\"product-section\"\u003e\n\n \u003c!-- Section 1: Product Overview --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eProduct Overview\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003eThe Pyro-Chem 055531 O-Ring #009 is a precision-engineered sealing component that serves as the pneumatic actuation gatekeeper for Kitchen Knight II and Monarch fire suppression systems. In the sophisticated architecture of a pre-engineered safety network, the actuation cartridge is the source of all kinetic power. The 055531 sits at the critical junction where this high-pressure cartridge meets the mechanical control head, providing a gas-tight seal at the moment of system discharge.\u003c\/p\u003e\n \u003cp\u003eWhile the O-ring itself is physically small, its failure results in a catastrophic partial discharge. If the seal is compromised, the actuation gas escapes through the receiver threads rather than flowing into the agent cylinders, rendering the entire suppression infrastructure useless during a fire event. Utilizing a genuine 055531 OEM seal ensures that your UL 300 cartridge seal integrity remains intact and your facility is protected by the exact tolerances specified by Pyro-Chem engineering.\u003c\/p\u003e\n\n \u003ch3\u003ePneumatic Surge Dynamics\u003c\/h3\u003e\n \u003cp\u003eAt the moment of actuation, the firing pin punctures the gas cartridge, releasing a massive surge of pressure into the receiver. The seal must withstand an instantaneous pressure differential while maintaining its shape. If the material is too soft, it can extrude into the threads; if too brittle, it will shatter under thermal shock.\u003c\/p\u003e\n\n \u003ch3\u003eElastomeric Compression Set Logic\u003c\/h3\u003e\n \u003cp\u003eFire suppression systems are sedentary assets that sit idle for years. Over time, an O-ring under constant pressure from a threaded cartridge will take a set, losing its ability to return to its original shape. The 055531 is manufactured from a high-grade synthetic elastomer with superior elastomeric memory, ensuring the seal remains responsive through multiple years of service and extreme kitchen temperature fluctuations.\u003c\/p\u003e\n\n \u003ch3\u003eCold-Temperature Resilience\u003c\/h3\u003e\n \u003cp\u003eWhen CO2 is released from a high-pressure cartridge, it undergoes rapid cooling via the Joule-Thomson effect. The 055531 is engineered to remain flexible at these sub-zero temperatures, preventing the freeze-cracking that occurs in generic hardware-store O-rings during the first few seconds of a discharge.\u003c\/p\u003e\n\n \u003ch3\u003eCross-Brand Synergy\u003c\/h3\u003e\n \u003cp\u003eAs part of the Johnson Controls family, the Pyro-Chem 055531 is a direct-fit, listed cartridge seal for Kitchen Knight II, Monarch, and Ansul R-102 systems. This synergy allows technicians to standardize their service inventory with a single, high-reliability part number across multiple dominant platforms.\u003c\/p\u003e\n\n \u003ch3\u003eElimination of Slow-Bleed Failures\u003c\/h3\u003e\n \u003cp\u003eGeneric #009 seals are often made of lower-density nitrile that can allow microscopic micro-leaks over time. A slow-bleed failure results in a cylinder that lacks the pressure to push the agent all the way to the furthest nozzle during a fire. OEM material purity ensures every 055531 is batch-tested for chemical compatibility with CO2 and nitrogen.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 2: Technical Specifications --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eTechnical Specifications\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ctable class=\"specs-table\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eFeature\u003c\/th\u003e\n \u003cth\u003eDetails\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eManufacturer\u003c\/td\u003e\n \u003ctd\u003ePyro-Chem (A Johnson Controls Brand)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePart Number\u003c\/td\u003e\n \u003ctd\u003e055531-P001 (Single)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eIndustry Size\u003c\/td\u003e\n \u003ctd\u003e#009 O-Ring\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaterial\u003c\/td\u003e\n \u003ctd\u003ePressure-Rated Synthetic Elastomer\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCompatible Systems\u003c\/td\u003e\n \u003ctd\u003eKitchen Knight II, Monarch, Ansul R-102\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePropellant Media\u003c\/td\u003e\n \u003ctd\u003eCO2 and Nitrogen (N2)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eFunction\u003c\/td\u003e\n \u003ctd\u003eCartridge Receiver Seal\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCertifications\u003c\/td\u003e\n \u003ctd\u003eUL 300 Listed, ULC Listed\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 3: Installation \u0026 Compliance --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eInstallation \u0026amp; Compliance\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ch3\u003eThe Semi-Annual Inspection Mandate\u003c\/h3\u003e\n \u003cp\u003eUnder NFPA 17A, the actuation cartridge must be removed and the receiver threads and O-ring inspected every six months. If the 055531 shows any flattening or nicks, it must be replaced immediately as part of the semi-annual service kit protocol.\u003c\/p\u003e\n\n \u003ch3\u003eThe Lubrication Protocol\u003c\/h3\u003e\n \u003cp\u003eTo prevent seal-tear or twisting during installation, a light coating of Visilox V-711 or a similar silicone lubricant must be applied. Petroleum-based lubricants should be avoided, as they can degrade the synthetic elastomer and compromise the gas-tight seal.\u003c\/p\u003e\n\n \u003ch3\u003eZero-Debris Verification\u003c\/h3\u003e\n \u003cp\u003eBefore seating the new O-ring, verify that no metallic shavings from previous punctures are lodged in the receiver. Even a new seal will fail if it is seated against debris.\u003c\/p\u003e\n\n \u003ch3\u003eFinger-Tight Accuracy\u003c\/h3\u003e\n \u003cp\u003eCartridges should be threaded into the receiver until they seat firmly. Over-torqueing with a wrench can crush the seal, leading to a permanent compression set and potential failure to hold pressure.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 4: FAQ --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eFAQ\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ch3\u003eCan I buy a box of #009 O-rings from a generic industrial supplier?\u003c\/h3\u003e\n \u003cp\u003eNo. While the dimensions might match, the 055531 is specifically listed for fire suppression service. Generic O-rings lack the burst-pressure testing and chemical inertness required to maintain the UL 300 safety listing of your system.\u003c\/p\u003e\n\n \u003ch3\u003eWhat is the difference between the 055531 and the cylinder collar O-ring?\u003c\/h3\u003e\n \u003cp\u003eThe 055531 is a very small #009 size specifically for the CO2 cartridge actuator seal. The cylinder collar O-ring such as the 05240 is significantly larger and seals the entire valve to the tank. They are not interchangeable.\u003c\/p\u003e\n\n \u003ch3\u003eHow often should I replace the 055531 if the cartridge hasn't been fired?\u003c\/h3\u003e\n \u003cp\u003eMost professionals recommend replacing the O-ring every time the cartridge is removed for weighing (every 6 months) or at least annually. The cost of the seal is negligible compared to the cost of a failed discharge.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript\u003e\ndocument.addEventListener('DOMContentLoaded', function() {\n const headers = document.querySelectorAll('.accordion-header');\n headers.forEach(header =\u003e {\n header.addEventListener('click', function() {\n this.parentElement.classList.toggle('active');\n });\n });\n});\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n \"@context\": \"https:\/\/schema.org\/\",\n \"@type\": \"Product\",\n \"name\": \"Pyro-Chem 055531 O-Ring #009 | Cartridge Receiver Seal\",\n \"description\": \"UL 300 listed pressure-rated synthetic elastomer #009 O-ring for the CO2 or nitrogen cartridge receiver in Pyro-Chem Kitchen Knight II, Monarch, and Ansul R-102 fire suppression systems. Cold-temperature resilient design resists Joule-Thomson freeze-cracking. Direct-fit cross-brand compatibility across Johnson Controls platforms. Semi-annual replacement required per NFPA 17A. ULC Listed.\",\n \"sku\": \"055531-P001\",\n \"mpn\": \"055531-P001\",\n \"brand\": {\n \"@type\": \"Brand\",\n \"name\": \"Pyro-Chem\"\n },\n \"manufacturer\": {\n \"@type\": \"Organization\",\n \"name\": \"Pyro-Chem (A Johnson Controls Brand)\"\n },\n \"category\": \"Fire Suppression Equipment\",\n \"additionalProperty\": [\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Part Number\",\n \"value\": \"055531-P001 (Single)\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Industry Size\",\n \"value\": \"#009 O-Ring\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Material\",\n \"value\": \"Pressure-Rated Synthetic Elastomer\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Compatible Systems\",\n \"value\": \"Kitchen Knight II, Monarch, Ansul R-102\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Propellant Media\",\n \"value\": \"CO2 and Nitrogen (N2)\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Function\",\n \"value\": \"Cartridge Receiver Seal\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Certifications\",\n \"value\": \"UL 300 Listed, ULC Listed\"\n }\n ]\n}\n\u003c\/script\u003e\n\n\n\u003c\/body\u003e","brand":"PyroChem","offers":[{"title":"Default Title","offer_id":47424924582053,"sku":null,"price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/Pyro-ChemO-ring_009_SingleItem-055531_46d9ea90-0de4-4aa6-8b3d-7d5b9d9753e2.webp?v=1771286457"},{"product_id":"amerex-collar-o-ring-single-item-oem-05239","title":"Amerex Collar O-Ring (Single Item), OEM - 05239","description":"\u003cbody\u003e\n\n\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n\u003ctitle\u003eAmerex 05239 Collar O-Ring | Industrial \u0026amp; Wheeled Unit Series | Quad-Ring™ Technology\u003c\/title\u003e\n\u003cstyle\u003e\n .product-section {\n max-width: 100%;\n margin: 2rem 0;\n font-family: Arial, sans-serif;\n color: #333;\n }\n .accordion-item {\n border-bottom: 1px solid #ddd;\n }\n .accordion-header {\n display: flex;\n justify-content: space-between;\n padding: 2rem 0;\n cursor: pointer;\n background: none;\n border: none;\n width: 100%;\n text-align: left;\n color: #333;\n }\n .accordion-header:hover,\n .accordion-header:focus {\n color: #333;\n background: none;\n outline: none;\n }\n .accordion-title {\n font-size: 1.5rem;\n font-weight: 500;\n }\n .accordion-icon {\n font-size: 1.5rem;\n }\n .accordion-item.active .accordion-icon {\n transform: rotate(180deg);\n }\n .accordion-content {\n max-height: 0;\n overflow: hidden;\n }\n .accordion-item.active .accordion-content {\n max-height: none;\n }\n .accordion-content-inner {\n font-size: 1.4rem;\n line-height: 1.7;\n color: #555;\n padding-bottom: 2rem;\n }\n .accordion-content-inner p {\n margin: 0 0 1rem 0;\n }\n .accordion-content-inner ul {\n margin: 0 0 1rem 0;\n padding-left: 2rem;\n }\n .accordion-content-inner h3 {\n font-size: 1.4rem;\n font-weight: 600;\n color: #333;\n margin: 1.5rem 0 0.5rem 0;\n }\n .specs-table {\n width: 100%;\n border-collapse: collapse;\n }\n .specs-table th,\n .specs-table td {\n border: 1px solid #ddd;\n padding: 0.75rem 1rem;\n font-size: 1.4rem;\n text-align: left;\n }\n .specs-table th {\n background-color: #f5f5f5;\n font-weight: 600;\n color: #333;\n }\n\u003c\/style\u003e\n\n\n\n\u003cdiv class=\"product-section\"\u003e\n\n \u003c!-- Section 1: Product Overview --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eProduct Overview\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003eThe Amerex 05239 Collar O-Ring is a mission-critical, high-performance Quad-Ring seal engineered exclusively for Amerex Industrial (IS) fixed systems and large-capacity wheeled fire extinguishers. In the world of high-capacity fire suppression, the collar seal is the definitive barrier between a fully pressurized, ready-state system and a catastrophic leak. While standard seals utilize a basic circular cross-section, the Amerex 05239 features a sophisticated multi-lobed Quad profile designed to handle the extreme mechanical loads of heavy-duty industrial valves.\u003c\/p\u003e\n \u003cp\u003eFor stakeholders overseeing high-value assets such as aircraft flight lines, industrial paint booths, or fuel islands, the 05239 is the strategic answer to long-term pressure retention. Because industrial cylinders such as the IS18, IS35, and IS45 utilize significantly larger and heavier brass valves than hand-portable units, they require a seal that can withstand high-torque installation without compromising its geometric integrity. Utilizing the genuine OEM 05239 ensures your suppression infrastructure remains at its UL-rated operating pressure regardless of the environmental stressors it faces.\u003c\/p\u003e\n\n \u003ch3\u003eFour-Lobed Sealing Dynamics\u003c\/h3\u003e\n \u003cp\u003eThe Quad design provides four distinct sealing surfaces (lobes) instead of the single contact point found in standard O-rings. This redundancy is critical for high-pressure storage sealing. Even if one surface is slightly compromised by a microscopic scratch on the cylinder collar, the secondary and tertiary lobes maintain the gas-tight seal.\u003c\/p\u003e\n\n \u003ch3\u003eSpiral Failure Prevention\u003c\/h3\u003e\n \u003cp\u003eIn industrial applications, the valve body is often installed using high-torque tools. Standard O-rings are prone to rolling or twisting in the groove during this process, a phenomenon known as spiral failure. The square-shaped profile of the 05239 locks into the machined groove, ensuring that the internal elastomeric memory remains perfectly aligned.\u003c\/p\u003e\n\n \u003ch3\u003eExtreme Temperature Resilience\u003c\/h3\u003e\n \u003cp\u003eThe 05239 is crafted from pressure-rated elastomers that maintain their flexibility across an operational window of -65°F to +120°F. This prevents the permanent compression set failure that occurs in low-quality seals during extreme cold snaps, which is critical for industrial systems in unheated enclosures or exposed to direct sunlight.\u003c\/p\u003e\n\n \u003ch3\u003eChemical and Agent Compatibility\u003c\/h3\u003e\n \u003cp\u003eThe 05239 is specifically formulated to resist degradation from Dry Chemical (ABC, PK, Regular), Halon 1211, and Halotron I agents. In the presence of these chemicals, inferior elastomers can swell or become brittle; the Amerex OEM seal remains chemically inert, ensuring the valve-to-cylinder interface remains structurally sound for years of sedentary service.\u003c\/p\u003e\n\n \u003ch3\u003eVibration Dampening\u003c\/h3\u003e\n \u003cp\u003eWheeled fire extinguishers are often kept on heavy machinery or vibrating platforms. The multi-lobed profile of the 05239 acts as a microscopic shock absorber, maintaining its seal even when the cylinder and valve are subjected to high-frequency oscillations.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 2: Technical Specifications --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eTechnical Specifications\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ctable class=\"specs-table\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eFeature\u003c\/th\u003e\n \u003cth\u003eDetails\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eManufacturer\u003c\/td\u003e\n \u003ctd\u003eAmerex Corporation\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePart Number\u003c\/td\u003e\n \u003ctd\u003e05239\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSeal Type\u003c\/td\u003e\n \u003ctd\u003eQuad-Ring (Four-Lobed X-Profile)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCompatible Systems\u003c\/td\u003e\n \u003ctd\u003eIS18, IS35, and IS45 Industrial Systems\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eAgent Compatibility\u003c\/td\u003e\n \u003ctd\u003eDry Chemical (ABC, PK, Regular), Halon 1211, Halotron I\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTemperature Range\u003c\/td\u003e\n \u003ctd\u003e-65°F to +120°F\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaterial\u003c\/td\u003e\n \u003ctd\u003ePressure-Rated Elastomers\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eApplication\u003c\/td\u003e\n \u003ctd\u003eIndustrial Valve-to-Cylinder Interface\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCertifications\u003c\/td\u003e\n \u003ctd\u003eUL Listed\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 3: Installation \u0026 Compliance --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eInstallation \u0026amp; Compliance\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ch3\u003eThe Visilox V-711 Lubrication Protocol\u003c\/h3\u003e\n \u003cp\u003eTo prevent pinched seals during installation, a light coating of Visilox V-711 must be applied. This ensures the lobes slide smoothly into the machined collar groove without tearing.\u003c\/p\u003e\n\n \u003ch3\u003eCleaning the Seal Seat\u003c\/h3\u003e\n \u003cp\u003eBefore installing the 05239, the cylinder collar and valve threads must be meticulously cleaned. Even a single grain of agent trapped between the Quad-Ring lobes and the metal can create a slow leak that will depressurize a wheeled unit over several months.\u003c\/p\u003e\n\n \u003ch3\u003eMandatory 6-Year Replacement\u003c\/h3\u003e\n \u003cp\u003eUnder NFPA standards, the collar seal must be replaced whenever the valve is removed for internal inspection. Replacing the seal during the 6-year maintenance cycle is a non-negotiable requirement, as the elastomer has already undergone a compression set to the original valve orientation.\u003c\/p\u003e\n\n \u003ch3\u003eTorque Verification\u003c\/h3\u003e\n \u003cp\u003eEnsure that the heavy brass valve is seated firmly. The 05239 is designed to handle high clamping forces, and a loose valve is the primary cause of wheeled unit collar leaks.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 4: FAQ --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eFAQ\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ch3\u003eCan I use the 05239 for my standard 10 lb ABC fire extinguisher?\u003c\/h3\u003e\n \u003cp\u003eNo. Most hand-portable extinguishers utilize the 05240 collar O-ring. The 05239 is significantly larger and is sized specifically for industrial and large-capacity units. Using the wrong seal will lead to an immediate failure to hold pressure.\u003c\/p\u003e\n\n \u003ch3\u003eWhat is the difference between a Quad-Ring and an X-Ring?\u003c\/h3\u003e\n \u003cp\u003eThey are essentially the same. \"Quad-Ring\" is a trade name for the four-lobed X-profile. The 05239 utilizes four-lobed sealing specifically to prevent spiral failure and provide double the sealing surfaces of a standard round O-ring.\u003c\/p\u003e\n\n \u003ch3\u003eDoes this seal work with CO2 extinguishers?\u003c\/h3\u003e\n \u003cp\u003eNo. CO2 units utilize a different interface due to the significantly higher storage pressures (800+ PSI). The 05239 is rated for dry chemical and clean agent stored-pressure systems only.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript\u003e\ndocument.addEventListener('DOMContentLoaded', function() {\n const headers = document.querySelectorAll('.accordion-header');\n headers.forEach(header =\u003e {\n header.addEventListener('click', function() {\n this.parentElement.classList.toggle('active');\n });\n });\n});\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n \"@context\": \"https:\/\/schema.org\/\",\n \"@type\": \"Product\",\n \"name\": \"Amerex 05239 Collar O-Ring | Quad-Ring Industrial Series\",\n \"description\": \"UL Listed four-lobed Quad-Ring collar O-ring for Amerex IS18, IS35, and IS45 industrial fixed systems and large-capacity wheeled extinguishers. Pressure-rated elastomers compatible with ABC, PK, Regular dry chemical, Halon 1211, and Halotron I agents. Temperature range -65 degrees F to +120 degrees F. Prevents spiral failure and compression set. Mandatory replacement at 6-year internal inspection.\",\n \"sku\": \"05239\",\n \"mpn\": \"05239\",\n \"brand\": {\n \"@type\": \"Brand\",\n \"name\": \"Amerex\"\n },\n \"manufacturer\": {\n \"@type\": \"Organization\",\n \"name\": \"Amerex Corporation\"\n },\n \"category\": \"Fire Suppression Equipment\",\n \"additionalProperty\": [\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Part Number\",\n \"value\": \"05239\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Seal Type\",\n \"value\": \"Quad-Ring (Four-Lobed X-Profile)\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Compatible Systems\",\n \"value\": \"IS18, IS35, and IS45 Industrial Systems\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Agent Compatibility\",\n \"value\": \"Dry Chemical (ABC, PK, Regular), Halon 1211, Halotron I\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Temperature Range\",\n \"value\": \"-65 degrees F to +120 degrees F\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Material\",\n \"value\": \"Pressure-Rated Elastomers\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Application\",\n \"value\": \"Industrial Valve-to-Cylinder Interface\"\n },\n {\n \"@type\": \"PropertyValue\",\n \"name\": \"Certifications\",\n \"value\": \"UL Listed\"\n }\n ]\n}\n\u003c\/script\u003e\n\n\n\u003c\/body\u003e","brand":"Amerex","offers":[{"title":"Default Title","offer_id":47438342029477,"sku":null,"price":4.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/AmerexCollarO-Ring_12Pack_-05239-P012-1_a6ac2a46-92b9-40c8-be29-6623f1b0eace.webp?v=1771286448"},{"product_id":"amerex-oem-240-psi-dry-chemical-pressure-gauge-05225","title":"Amerex OEM 240 PSI Dry Chemical Pressure Gauge - 05225","description":"\u003cbody\u003e\n\n\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n\u003ctitle\u003eAmerex 05225 Pressure Gauge | 240 PSI | Dry Chemical Series\u003c\/title\u003e\n\u003cstyle\u003e\n .product-section {\n max-width: 100%;\n margin: 2rem 0;\n font-family: Arial, sans-serif;\n color: #333;\n }\n .accordion-item {\n border-bottom: 1px solid #ddd;\n }\n .accordion-header {\n display: flex;\n justify-content: space-between;\n padding: 2rem 0;\n cursor: pointer;\n background: none;\n border: none;\n width: 100%;\n text-align: left;\n color: #333;\n }\n .accordion-header:hover,\n .accordion-header:focus {\n color: #333;\n background: none;\n outline: none;\n }\n .accordion-title {\n font-size: 1.5rem;\n font-weight: 500;\n }\n .accordion-icon {\n font-size: 1.5rem;\n }\n .accordion-item.active .accordion-icon {\n transform: rotate(180deg);\n }\n .accordion-content {\n max-height: 0;\n overflow: hidden;\n }\n .accordion-item.active .accordion-content {\n max-height: none;\n }\n .accordion-content-inner {\n font-size: 1.4rem;\n line-height: 1.7;\n color: #555;\n padding-bottom: 2rem;\n }\n .accordion-content-inner p {\n margin: 0 0 1rem 0;\n }\n .accordion-content-inner ul {\n margin: 0 0 1rem 0;\n padding-left: 2rem;\n }\n .accordion-content-inner h3 {\n font-size: 1.4rem;\n font-weight: 600;\n color: #333;\n margin: 1.5rem 0 0.5rem 0;\n }\n .specs-table {\n width: 100%;\n border-collapse: collapse;\n }\n .specs-table th,\n .specs-table td {\n border: 1px solid #ddd;\n padding: 0.75rem 1rem;\n font-size: 1.4rem;\n text-align: left;\n }\n .specs-table th {\n background-color: #f5f5f5;\n font-weight: 600;\n color: #333;\n }\n\u003c\/style\u003e\n\n\n\n\u003cdiv class=\"product-section\"\u003e\n\n \u003c!-- Section 1: Product Overview --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eProduct Overview\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003cp\u003eThe Amerex 05225 Pressure Gauge is a precision-engineered fire suppression diagnostic instrument designed specifically for the Amerex dry chemical series. In the high-stakes environment of facility safety, the pressure gauge serves as the visual pulse of fire readiness, the only immediate, non-invasive method for a facility manager or safety inspector to verify that a unit is capable of discharging its agent. Rated for a nominal operating pressure of 240 PSI, the 05225 is the industry standard for verifying the charge of ABC and Purple-K dry chemical fire extinguishers.\u003c\/p\u003e\n \u003cp\u003eUnlike generic, off-the-shelf components, the 05225 is a genuine Amerex OEM component manufactured to meet ANSI\/UL safety standards. The 05225 provides a high-contrast interface featuring a vivid green operable zone, allowing for rapid daily inspections and ensuring that every unit in a facility's safety network is pressurized to its factory-specified suppression capacity.\u003c\/p\u003e\n\n \u003ch3\u003eBourdon Tube Mechanics\u003c\/h3\u003e\n \u003cp\u003eAt the heart of the 05225 is a hollow, C-shaped Bourdon tube sealed at one end and connected to the 1\/8\" NPT pressure inlet at the other. As internal pressure increases, the tube attempts to straighten, and this mechanical movement is translated through a precision gear train to the needle on the dial. This purely mechanical design requires no external power and is highly resistant to vibrations found in industrial environments.\u003c\/p\u003e\n\n \u003ch3\u003ePressure-Temperature Dynamics\u003c\/h3\u003e\n \u003cp\u003eFire extinguishers are subject to extreme temperature swings in outdoor or unheated storage. The 05225 is engineered to remain accurate across an operational window of -65°F to +120°F. This prevents the false-low readings that often plague low-quality gauges during winter months, where a gauge may appear to show a depleted unit when the pressure is simply reduced by cold ambient temperatures.\u003c\/p\u003e\n\n \u003ch3\u003eCorrosion-Resistant Brass Body\u003c\/h3\u003e\n \u003cp\u003eThe housing of the 05225 is constructed from solid brass. In commercial kitchens and industrial plants, aerosolized grease and chemical vapors can quickly corrode ferrous metals. The brass body provides natural resistance to oxidation, ensuring the 1\/8\" NPT pressure inlet threads remain liquid-tight for the entire service life of the extinguisher.\u003c\/p\u003e\n\n \u003ch3\u003eGauge Drift Prevention\u003c\/h3\u003e\n \u003cp\u003eCheap, non-OEM gauges are prone to drift, a phenomenon where the needle becomes stuck or loses calibration over time due to material fatigue. The 05225 utilizes premium alloys to ensure the reading today remains as accurate as it will be five years from now.\u003c\/p\u003e\n\n \u003ch3\u003eVisual Clarity and Inspection Speed\u003c\/h3\u003e\n \u003cp\u003eThe dial face is optimized for at-a-glance verification. During a monthly NFPA 10 walkthrough, an inspector may check hundreds of units. The high-contrast white face and green operable zone reduce eye-strain fatigue and help ensure that no depressurized unit is overlooked.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 2: Technical Specifications --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eTechnical Specifications\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ctable class=\"specs-table\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eFeature\u003c\/th\u003e\n \u003cth\u003eDetails\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eManufacturer\u003c\/td\u003e\n \u003ctd\u003eAmerex Corporation\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePart Number\u003c\/td\u003e\n \u003ctd\u003e05225\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePressure Rating\u003c\/td\u003e\n \u003ctd\u003e240 PSI\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCompatibility\u003c\/td\u003e\n \u003ctd\u003eDry Chemical Series (ABC, BC, Purple-K)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eBody Material\u003c\/td\u003e\n \u003ctd\u003eSolid Brass\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eConnection Size\u003c\/td\u003e\n \u003ctd\u003e1\/8\" NPT Pressure Inlet\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eStandards\u003c\/td\u003e\n \u003ctd\u003eANSI\/UL Safety Standards\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOperating Temperature\u003c\/td\u003e\n \u003ctd\u003e-65°F to +120°F\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 3: Installation \u0026 Compliance --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eInstallation \u0026amp; Compliance\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ch3\u003ePrecision Torque Protocol\u003c\/h3\u003e\n \u003cp\u003eWhen replacing a damaged gauge, never turn the gauge by the round housing. This can break the internal seal of the Bourdon tube. Technicians must use a 7\/16\" open-end wrench on the flat stem installation point at the base to achieve a liquid-tight seal.\u003c\/p\u003e\n\n \u003ch3\u003eManaging Regulator Over-Pressure\u003c\/h3\u003e\n \u003cp\u003eWhen pressurizing an extinguisher after a recharge, do not exceed the operating pressure by more than 25 PSI. Introducing a massive pressure spike from a nitrogen regulator can permanently deform the internal mechanisms, rendering the gauge inaccurate.\u003c\/p\u003e\n\n \u003ch3\u003ePlastic Face Integrity\u003c\/h3\u003e\n \u003cp\u003eThe clear face of the 05225 is made of a high-impact polymer. Avoid using harsh solvents such as brake cleaner during cleaning, as these can cause crazing or clouding, making the green operable zone unreadable.\u003c\/p\u003e\n\n \u003ch3\u003eMandatory Replacement Criteria\u003c\/h3\u003e\n \u003cp\u003eUnder NFPA 10, a gauge must be replaced if the lens is cracked, the needle is bent, or the needle does not return to zero when the unit is depressurized.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003c!-- Section 4: FAQ --\u003e\n \u003cdiv class=\"accordion-item\"\u003e\n \u003cbutton class=\"accordion-header\"\u003e\n \u003cspan class=\"accordion-title\"\u003eFAQ\u003c\/span\u003e\n \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n \u003c\/button\u003e\n \u003cdiv class=\"accordion-content\"\u003e\n \u003cdiv class=\"accordion-content-inner\"\u003e\n \u003ch3\u003eCan I use the 05225 on a Halon or Water extinguisher?\u003c\/h3\u003e\n \u003cp\u003eNo. Gauges are calibrated for the specific density and expansion characteristics of the extinguishing agent. The 05225 is specifically designed for the dry chemical series. Using it on a water or Halon unit can result in inaccurate readings and a failed discharge.\u003c\/p\u003e\n\n \u003ch3\u003eWhat causes an extinguisher gauge to go into the overcharged (Red) zone?\u003c\/h3\u003e\n \u003cp\u003eThis is often caused by thermal expansion. If an extinguisher is charged in a cool environment and then moved into direct sunlight, the internal pressure will rise. While a minor increase is normal, a needle deep in the red indicates the unit may have been over-pressurized during service.\u003c\/p\u003e\n\n \u003ch3\u003eIs it normal for the needle to move slightly depending on the weather?\u003c\/h3\u003e\n \u003cp\u003eYes. Pressure is directly proportional to temperature in a constant volume, so you may see the needle move within the green zone as the temperature shifts. As long as the needle remains within the green operable arc, the extinguisher is considered compliant.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript\u003e\ndocument.addEventListener('DOMContentLoaded', function() {\n const headers = document.querySelectorAll('.accordion-header');\n headers.forEach(header =\u003e {\n header.addEventListener('click', function() {\n this.parentElement.classList.toggle('active');\n });\n });\n});\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n \"@context\": \"https:\/\/schema.org\/\",\n \"@type\": \"Product\",\n \"name\": \"Amerex 05225 Pressure Gauge | 240 PSI | Dry Chemical Series\",\n \"description\": \"OEM solid brass Bourdon tube pressure gauge rated 240 PSI for Amerex ABC, BC, and Purple-K dry chemical fire extinguishers. 1\/8 inch NPT pressure inlet. High-contrast green operable zone dial. Operating temperature -65 degrees F to +120 degrees F. ANSI\/UL compliant. 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