{"title":"Pyro-Chem Monarch Kits","description":"","products":[{"product_id":"pyrochem-dry-valve-rebuild-kit-550037","title":"Pyro-Chem Dry Valve Rebuild Kit 550037","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 Dry Valve Rebuild Kit | Part No. 550037\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 Pyro-Chem 550037 Dry Valve Rebuild Kit is an OEM service kit for Pyro-Chem dry chemical fire suppression system discharge valves — used in Kitchen Knight II and other Pyro-Chem dry chemical system configurations. The 550037 contains the essential replacement components to restore valve integrity, sealing, and operational reliability after a system discharge or during scheduled maintenance. It is the dry chemical counterpart to the 550698 Wet Valve Rebuild Kit — the two kits address the two primary Pyro-Chem product lines with their distinct agent types and valve material requirements.\u003c\/p\u003e\n      \u003cp\u003ePyro-Chem dry chemical systems — including configurations using potassium bicarbonate fire extinguisher agent and ABC dry chemical formulations — subject valve internals to different chemical stresses than wet chemical systems. Dry chemical agents can absorb moisture and form hygroscopic compounds that attack valve seals over multi-year service intervals, while the abrasive nature of powder agents can accelerate wear on valve stem and piston components. The 550037 rebuild kit uses elastomers and components specifically selected for dry chemical agent compatibility, ensuring the rebuilt valve maintains its rated discharge performance throughout the next service interval.\u003c\/p\u003e\n      \u003cp\u003eFor fire protection contractors managing Pyro-Chem dry chemical fire suppression system service, the 550037 is a mandatory item for every 6-year internal examination and every post-discharge service. Keeping both the 550037 (dry) and 550698 (wet) rebuild kits in pyro chem supply inventory ensures complete valve service capability for the full Pyro-Chem product lineup. Authorized pyro chem distributors carry both kits at the pyro chem price list volume pricing. The pyro chem kitchen knight manual and Pyro-Chem Monarch system documentation provide the complete valve rebuild procedures using the 550037 kit components.\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\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\u003e550037\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eKit Type\u003c\/td\u003e\n\u003ctd\u003eDry Valve Rebuild Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eCompatible Systems\u003c\/td\u003e\n\u003ctd\u003ePyro-Chem dry chemical fire suppression systems\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eAgent Compatibility\u003c\/td\u003e\n\u003ctd\u003eDry chemical agents (potassium bicarbonate, ABC dry chemical)\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eService Interval\u003c\/td\u003e\n\u003ctd\u003e6-year internal examination and post-discharge\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\"\u003eService Protocol (NFPA 10 \u0026amp; 17A)\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\u003e6-Year Internal Examination\u003c\/h3\u003e\n      \u003cp\u003eNFPA 10 requires internal examination of dry chemical suppression cylinders at the 6-year service interval. During this examination, remove the discharge valve, inspect all internal components, and replace all soft goods with the contents of the 550037 kit. Dry chemical powder that has packed or caked inside the valve body must be completely removed before installing the new valve components. Residual powder contamination can prevent the new seals from seating correctly and will cause an immediate discharge valve leak on pressurization.\u003c\/p\u003e\n      \u003ch3\u003ePost-Discharge Service\u003c\/h3\u003e\n      \u003cp\u003eAfter any Pyro-Chem dry chemical system discharge, the cylinder discharge valve must be fully rebuilt using the 550037 kit before recharging. The 550037 rebuild resets all valve internal components to factory specification, ensuring reliable discharge performance for the next service interval. Document the rebuild in the fire suppression system inspection record and affix a new service label per the Pyro-Chem system documentation requirements.\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 the 550037 be used on wet chemical system valves?\u003c\/h3\u003e\n      \u003cp\u003eNo. The 550037 is specifically formulated for dry chemical system valves. The 550698 Wet Valve Rebuild Kit is the correct kit for Pyro-Chem wet chemical (Kitchen Knight II) cylinder valves. The wet and dry kits use different elastomer formulations for their respective agent chemistries — using the wrong kit creates an agent compatibility risk and voids the UL listing.\u003c\/p\u003e\n      \u003ch3\u003eIs the 550037 compatible with pyro chem monarch systems?\u003c\/h3\u003e\n      \u003cp\u003eThe 550037 is designed for Pyro-Chem dry chemical system valve assemblies. Verify compatibility with the specific pyro chem monarch or other Pyro-Chem dry chemical platform using the system's service manual or by consulting authorized pyro chem distributors. The pyro chem nozzle chart and system-specific documentation confirm the correct rebuild kit for each Pyro-Chem dry chemical configuration.\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\": \"Pyro-Chem Dry Valve Rebuild Kit | Part No. 550037\",\n  \"description\": \"UL Listed OEM Pyro-Chem dry valve rebuild kit for dry chemical fire suppression system discharge valves. Required at 6-year internal examination and post-discharge per NFPA 10 and NFPA 17A. Dry chemical-compatible elastomers. Not for wet chemical valves — see 550698.\",\n  \"sku\": \"550037\", \"mpn\": \"550037\",\n  \"brand\": { \"@type\": \"Brand\", \"name\": \"Pyro-Chem\" },\n  \"manufacturer\": { \"@type\": \"Organization\", \"name\": \"Pyro-Chem (A Johnson Controls Brand)\" },\n  \"category\": \"Fire Suppression Equipment\"\n}\n\u003c\/script\u003e\n\n\u003c\/body\u003e","brand":"PyroChem","offers":[{"title":"Default Title","offer_id":45948685320357,"sku":"550037","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/pyrochem-default-title-pyro-chem-dry-valve-rebuild-kit-550037-33373529899173_ed7502c2-8786-4e76-b926-dc2d3e3423f7.webp?v=1771286623"},{"product_id":"pyrochem-two-switch-kit-dpdt-551155","title":"Pyro-Chem Two Switch Kit DPDT 551155","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 Two Switch Kit DPDT | Part No. 551155\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 Pyro-Chem 551155 Two Switch Kit provides two factory-approved dual-pole, dual-throw (DPDT) micro switches for Pyro-Chem kitchen fire suppression systems. Each DPDT micro switch provides two independent switch functions — giving the Kitchen Knight II system coordinated control over two separate electrical circuits simultaneously during a system discharge. Common applications include electrical appliance shutdown (cutting power to cooking equipment), exhaust fan control, alarm signalling, and other auxiliary interlocks that must respond automatically when the suppression system activates.\u003c\/p\u003e\n      \u003cp\u003eThe dpdt micro switch configuration is specifically required for installations where two separate, independently controllable electrical circuits must respond to a single system discharge event. Unlike a single-pole switch that controls one circuit, the DPDT dpdt switch provides two independent contact sets — each with normally-open and normally-closed positions — allowing the system to simultaneously shut down cooking equipment and activate an alarm, or control two separate ventilation zones, from a single actuation signal.\u003c\/p\u003e\n      \u003cp\u003eFor fire protection contractors completing Pyro-Chem Kitchen Knight II installations, the 551155 two switch kit ensures the system's auxiliary interlock capabilities are fully configured with factory-listed switch hardware. Authorized pyro chem distributors carry the 551155 as a standard pyro chem fire suppression system parts item. The pyro chem kitchen knight manual provides the wiring specifications for the two-switch configuration in Kitchen Knight II systems. Semi-annual testing per NFPA 17A and NFPA 96 must verify both DPDT switch functions operate correctly during a simulated system discharge test.\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\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\u003e551155\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eSwitch Type\u003c\/td\u003e\n\u003ctd\u003eDPDT (Dual-Pole, Dual-Throw) micro switch\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e2 switches per kit\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eCompatible Systems\u003c\/td\u003e\n\u003ctd\u003ePyro-Chem Kitchen Knight II\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eApplications\u003c\/td\u003e\n\u003ctd\u003eAppliance shutdown, exhaust fan control, alarm signalling, auxiliary interlocks\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\"\u003eInstallation \u0026amp; Compliance (NFPA 17A \u0026amp; 96)\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\u003eWiring Configuration\u003c\/h3\u003e\n      \u003cp\u003eInstall each DPDT micro switch per the pyro chem kitchen knight manual wiring diagram. Each switch has six terminals — two poles each with normally-open (NO), normally-closed (NC), and common (C) contacts. Map each contact set to the correct auxiliary circuit per the system design drawings. Verify polarity and circuit assignment at the Pyro-Chem control head before completing the installation. Document all switch wiring assignments in the system installation record.\u003c\/p\u003e\n      \u003ch3\u003eSemi-Annual Testing\u003c\/h3\u003e\n      \u003cp\u003eTest both DPDT switch functions at every semi-annual NFPA 17A and NFPA 96 inspection. Trigger a simulated system discharge and verify both switch contacts change state correctly — confirming all connected auxiliary circuits respond as designed. A switch that fails to actuate correctly during testing is an immediate red-tag deficiency requiring switch replacement with new 551155 OEM hardware. Document both switch test results in the fire suppression system inspection 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 single DPDT switch instead of two?\u003c\/h3\u003e\n      \u003cp\u003eThe 551155 kit includes two DPDT micro switches to provide four independent contact sets — two per switch. If only two independent circuit functions are needed, one DPDT switch may be sufficient. If four independent circuit functions are needed, both switches are required. Verify the number of auxiliary interlock circuits required by the system design and local AHJ before specifying the switch configuration. The pyro chem kitchen knight manual provides configuration guidance.\u003c\/p\u003e\n      \u003ch3\u003eCan generic DPDT switches be used instead of the 551155 kit?\u003c\/h3\u003e\n      \u003cp\u003eNo. The 551155 OEM switches are specifically rated and listed for Pyro-Chem Kitchen Knight II system actuation forces and operating conditions. Generic dpdt switch components may not meet the mechanical actuation force, temperature rating, or cycle life required for fire suppression applications. Using non-OEM switches voids the system's UL 300 listing. Source through authorized pyro chem distributors only.\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\": \"Pyro-Chem Two Switch Kit DPDT | Part No. 551155\",\n  \"description\": \"UL Listed Pyro-Chem two-switch kit with dual DPDT micro switches for Kitchen Knight II systems. Controls appliance shutdown, exhaust fans, alarms, and auxiliary interlocks during system discharge. Semi-annual testing per NFPA 17A and NFPA 96.\",\n  \"sku\": \"551155\", \"mpn\": \"551155\",\n  \"brand\": { \"@type\": \"Brand\", \"name\": \"Pyro-Chem\" },\n  \"manufacturer\": { \"@type\": \"Organization\", \"name\": \"Pyro-Chem (A Johnson Controls Brand)\" },\n  \"category\": \"Fire Suppression Equipment\"\n}\n\u003c\/script\u003e\n\n\u003c\/body\u003e","brand":"PyroChem","offers":[{"title":"Default Title","offer_id":45948700033189,"sku":"551155","price":76.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/pyrochem-default-title-pyro-chem-two-switch-kit-dpdt-551155-34146822979749_778c5288-95df-4251-81b7-ae6b5da53e6f.webp?v=1771286618"},{"product_id":"ansul-pyro-chem-terminal-detector-kit-scissors-style-ss-435546","title":"Ansul \/ Pyro-Chem Terminal Detector Kit (Scissors Style, SS) - 435546","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 \/ Pyro-Chem Terminal Detector Kit | Part No. 435546\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 Ansul \/ Pyro-Chem Terminal Detector Kit (435546) is the mission-critical sensory anchor for Ansul R-102 and Kitchen Knight II fire suppression systems. In the complex architecture of a detection network, the terminal detector serves as the definitive mechanical endpoint. While series detectors act as pass-through guides along the hood plenum, the 435546 is the final unit in the chain, furthest from the control head, responsible for maintaining the structural integrity of the 1\/16-inch stainless steel monitoring cable.\u003c\/p\u003e\n        \u003cp\u003eUtilizing a scissors-style linkage manufactured from high-grade stainless steel, the 435546 provides the precise kinetic release required to actuate the system the moment a fire plume compromises a thermal link. By standardizing on the genuine Ansul \/ Pyro-Chem terminal detector, facility managers ensure their parts inventory possesses the mechanical integrity to overcome years of grease accumulation, providing a zero-failure trigger for their suppression infrastructure.\u003c\/p\u003e\n\n        \u003ch3\u003eScissor Linkage Leverage\u003c\/h3\u003e\n        \u003cp\u003eThe scissors-style linkage design utilizes mechanical leverage to maintain cable tension while minimizing the force required for separation. When a fire occurs and the fusible link melts, the scissor arms pivot outward, instantly converting the static potential energy of the tensioned cable into kinetic movement that trips the control head.\u003c\/p\u003e\n\n        \u003ch3\u003eStainless Steel Metallurgy\u003c\/h3\u003e\n        \u003cp\u003eThe 435546 is a stainless steel terminal bracket designed for aggressive atmospheres. In environments defined by aerosolized salts and caustic cleaning agents, the stainless steel construction ensures the scissor pivot remains responsive, preventing the seized-link failure that can occur with inferior hardware.\u003c\/p\u003e\n\n        \u003ch3\u003eTotal-Line Verification via Terminal Placement\u003c\/h3\u003e\n        \u003cp\u003eBy placing the included 24916 test link at the terminal position, a technician can verify the integrity of the entire detection run. If the system trips correctly when the terminal link is cut, it proves the cable moves freely through every corner pulley in the series. This also confirms that the control head's spring force is sufficient to overcome the cumulative friction of the entire conduit run.\u003c\/p\u003e\n\n        \u003ch3\u003eZero-Discharge Verification\u003c\/h3\u003e\n        \u003cp\u003eThe inclusion of the 24916 test link allows for a full mechanical trip without destroying a live fusible link. This provides a zero-discharge verification pathway, ensuring the facility stays in full NFPA 17A compliance without unnecessary inventory depletion.\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\u003eAnsul \/ Pyro-Chem\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003ePart Number\u003c\/td\u003e\n              \u003ctd\u003e435546\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eStyle\u003c\/td\u003e\n              \u003ctd\u003eScissors-Style Linkage\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eMaterial\u003c\/td\u003e\n              \u003ctd\u003eStainless Steel\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n              \u003ctd\u003eAnsul R-102 and Kitchen Knight II Series\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eIncluded Components\u003c\/td\u003e\n              \u003ctd\u003eBracket, Linkage, and 24916 Test Link\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eConduit Interface\u003c\/td\u003e\n              \u003ctd\u003e1\/2 inch EMT Connectors\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eFusible Link\u003c\/td\u003e\n              \u003ctd\u003eSold Separately (Temperature-Rated per Appliance)\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eCompliance\u003c\/td\u003e\n              \u003ctd\u003eUL Listed, NFPA 17A\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\u003eAlignment Verification\u003c\/h3\u003e\n        \u003cp\u003eEnsure the 435546 is mounted so the scissor linkage is directly centered over the protected hazard. Any side-loading on the cable can increase friction and delay actuation.\u003c\/p\u003e\n\n        \u003ch3\u003eThe 6-Month Trip Log\u003c\/h3\u003e\n        \u003cp\u003eDuring semi-annual inspections, always use the included test link at the terminal detector. Record the system's reaction time; any delay indicates a need for a tension-release diagnostic or conduit cleaning.\u003c\/p\u003e\n\n        \u003ch3\u003eS-Hook Integrity\u003c\/h3\u003e\n        \u003cp\u003eVerify that the S-hooks used to connect the linkage to the cable are not bent. These are vital elements of the detection chain and must be free of deformation to ensure a clean tension release.\u003c\/p\u003e\n\n        \u003ch3\u003eFusible Link Selection\u003c\/h3\u003e\n        \u003cp\u003eThe 435546 is the housing only. You must order the appropriate temperature-rated fusible link (such as 212°F, 280°F, or 360°F) separately to match the specific appliance below the bracket.\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 the 435546 \"Scissors\" style preferred over the older \"Hook\" style?\u003c\/h3\u003e\n        \u003cp\u003eThe scissor linkage provides a cleaner drop when the link melts. In high-grease environments, older designs could occasionally hang if grease acted as an adhesive. The mechanical pivot of the scissors-style linkage forces a separation, making it far more reliable in real-world conditions.\u003c\/p\u003e\n\n        \u003ch3\u003eIs the 435546 compatible with non-Ansul detection brackets?\u003c\/h3\u003e\n        \u003cp\u003eNo. While it may physically fit other conduit, it is specifically UL Listed for R-102 detection hardware. Mixing manufacturers' detection hardware is a code violation and can lead to improper tension release.\u003c\/p\u003e\n\n        \u003ch3\u003eDo I need to replace the scissor linkage after a fire event?\u003c\/h3\u003e\n        \u003cp\u003eYes. While the bracket is stainless steel, the intense heat of a fire plume can anneal or weaken the metal. To maintain the UL 300 safety listing, the 435546 kit assembly should be replaced following any actual 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\": \"Ansul \/ Pyro-Chem Terminal Detector Kit | 435546\",\n  \"description\": \"UL Listed stainless steel scissors-style terminal detector kit for Ansul R-102 and Pyro-Chem Kitchen Knight II fire suppression systems. Includes bracket, scissors linkage, and 24916 test link. 1\/2 inch EMT conduit interface. 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