{"product_id":"280-k-style-ul-listed-fusible-link","title":"280° K Style UL Listed Fusible Link, Single Item - 439087","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 280° K-Style Fusible Link | Part No. 439087 | SL 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 Ansul 280° K-Style Fusible Link (Part No. 439087), now standardized under the SL (Standard Load) designation, is a specialized high-threshold thermal detector for Ansul R-102 and PIRANHA fire suppression systems. Calibrated to trigger at exactly 280°F (138°C), this link is the primary safeguard for hot-zone kitchen appliances where standard temperature links would result in frequent accidental discharges. It utilizes a precision-engineered eutectic alloy that separates the link halves instantly upon reaching its rated temperature.\u003c\/p\u003e\n        \u003cp\u003eUpon separation, the link releases the detection cable tension to activate the ANSUL Automan release mechanism. As a purely mechanical fail-safe, the 439087 provides 24\/7 protection independent of building power. It is specifically specified for environments with high radiant heat, such as those housing heavy-duty charbroilers, wok stations, and high-velocity exhaust ducts. To maintain NFPA 96 and 17A compliance, these links must be replaced semi-annually. The 439087 is color-coded blue as a universal industry identifier for rapid verification.\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\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003ePart Number\u003c\/td\u003e\n              \u003ctd\u003e439087 (Replaces 439243, 415741)\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eStyle\u003c\/td\u003e\n              \u003ctd\u003eSL (Standard Load) \/ K-Style\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eTemperature Rating\u003c\/td\u003e\n              \u003ctd\u003e280°F (138°C)\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eIdentification Color\u003c\/td\u003e\n              \u003ctd\u003eBlue\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eMax Continuous Load\u003c\/td\u003e\n              \u003ctd\u003e50 lbs (22.7 kg)\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eCompatibility\u003c\/td\u003e\n              \u003ctd\u003eAnsul R-102, PIRANHA\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        \u003cp\u003eThe 439087 must be installed by a certified fire suppression technician in accordance with NFPA 17A and NFPA 96 requirements. The 280°F rating is specified for mounting locations where ambient temperature exceeds 130°F (54°C) during normal peak cooking hours. Installing a lower-rated link in these zones will result in thermal creep, a slow stretching of the alloy under constant heat stress, causing a nuisance discharge without a fire present.\u003c\/p\u003e\n        \u003cp\u003ePer NFPA 17A, all fusible links must be replaced every 6 months regardless of visible condition. If a link is heavily coated in grease, it must be replaced immediately, as grease acts as an insulator that can dangerously delay the link's response time during an actual fire. The blue color-coding is a mandatory visual indicator for inspectors and must remain visible. The installation date must be recorded on the link or service tag at every service visit for Fire Marshal (AHJ) compliance verification.\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\u003eHow do I determine if a 280°F link is necessary for my hood?\u003c\/h3\u003e\n        \u003cp\u003eA 280°F link is required if the ambient temperature at the link's mounting location exceeds 130°F (54°C) during normal peak cooking hours. If a standard 165°F link is installed in these zones, the constant thermal stress leads to creep, a slow stretching of the alloy, that eventually causes a nuisance discharge without a fire present.\u003c\/p\u003e\n\n        \u003ch3\u003eCan I clean the blue paint off the link if it gets greasy?\u003c\/h3\u003e\n        \u003cp\u003eNo. The blue color-coding is a mandatory visual indicator for inspectors. If the link is heavily coated in grease, it must be replaced. Grease acts as an insulator, which can dangerously delay the link's response time during an actual fire.\u003c\/p\u003e\n\n        \u003ch3\u003eIs the 439087 compatible with newer SL-style scissor linkages?\u003c\/h3\u003e\n        \u003cp\u003eYes. The 439087 is fully compatible with modern Ansul Scissor Linkage Detectors (435547). The K-Style and SL designs share the same hook-and-eye geometry, ensuring service providers can use this link for both legacy R-102 systems and the latest PIRANHA installations.\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 280° K-Style Fusible Link\",\n  \"description\": \"Precision eutectic alloy SL (Standard Load) \/ K-Style fusible link rated at 280°F (138°C) for high-radiant-heat detection zones in Ansul R-102 and PIRANHA fire suppression systems. Blue color-coded for rapid temperature identification. Replaces legacy part numbers 439243 and 415741. 50 lb max continuous load. Semi-annual replacement required per NFPA 17A.\",\n  \"sku\": \"439087\",\n  \"mpn\": \"439087\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Ansul\"\n  },\n  \"manufacturer\": {\n    \"@type\": \"Organization\",\n    \"name\": \"Ansul (A Johnson Controls Brand)\"\n  },\n  \"category\": \"Fire Suppression Equipment\",\n  \"additionalProperty\": [\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Part Number\",\n      \"value\": \"439087 (Replaces 439243, 415741)\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Style\",\n      \"value\": \"SL (Standard Load) \/ K-Style\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Temperature Rating\",\n      \"value\": \"280°F (138°C)\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Identification Color\",\n      \"value\": \"Blue\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Max Continuous Load\",\n      \"value\": \"50 lbs (22.7 kg)\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Compatibility\",\n      \"value\": \"Ansul R-102, PIRANHA\"\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\n\u003c\/body\u003e","brand":"Ansul","offers":[{"title":"Default Title","offer_id":45993367797925,"sku":"280K","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5605\/8021\/files\/ansul-default-title-280-k-style-ul-listed-fusible-link-33471622774949_754e2110-f98b-4305-b7ef-0be13b5b2a88.webp?v=1771286517","url":"https:\/\/profireandsafety.com\/products\/280-k-style-ul-listed-fusible-link","provider":"Pro Fire and Safety","version":"1.0","type":"link"}