{"product_id":"st-croix-low-limit-fan-switch-80p20038-r-20159-110-f-proof-of-fire-snap-disc-for-pellet-corn-stoves","title":"4T110F Thermodisc | 110°F Flush Mount Low Limit Fan Switch for Stoves \u0026 Pellet Systems \/ 4T110F","description":"\u003ch3\u003e\u003cstrong\u003e4T110F Thermodisc – 110°F Flush Mount Low Limit Fan Switch for Wood, Pellet \u0026amp; Corn Stoves\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eMaintain safe and efficient operation of your stove with the 4T110F Thermodisc. This flush-mount, low-limit snap disc switch allows power to flow to your blower only when your stove reaches optimal heating temperature—cutting off power when the stove cools down to prevent cold air circulation. Ideal for wood, pellet, and corn stoves, it also serves as a direct replacement for the discontinued 4T120F.\u003c\/p\u003e\u003ch3\u003eWorks well with St. Croix and Apache Stoves\u003c\/h3\u003e\u003ch3\u003eKey Features:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProof of Fire Activation\u003c\/strong\u003e – Ensures the blower only runs when your stove is actively producing heat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Limit Control\u003c\/strong\u003e – Closes at 110°F to start the blower, opens at 90°F to stop the fan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlush Mount Design\u003c\/strong\u003e – Compact, secure fit for easy integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Compatibility\u003c\/strong\u003e – Generic control used across multiple stove brands and models\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaces OEM Parts\u003c\/strong\u003e – Equivalent to 80P20038-R, NBK 20159, F110-20F, and more\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 4T110F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Numbers:\u003c\/strong\u003e 80P20038-R, NBK 20159, F110-20F (equivalent)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitch Type:\u003c\/strong\u003e Normally open snap disc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClose Temperature:\u003c\/strong\u003e 110°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen Temperature:\u003c\/strong\u003e 90°F (20°F differential)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Flush mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Low-limit proof of fire \/ combustion blower activation switch\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Stove Models:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eApache\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSt. Croix Pellet \u0026amp; Corn Stoves\u003c\/strong\u003e, including:\u003cul\u003e\n\u003cli\u003eAfton Bay\u003c\/li\u003e\n\u003cli\u003eAshby-MF, Ashby-P\u003c\/li\u003e\n\u003cli\u003eAuburn\u003c\/li\u003e\n\u003cli\u003eEclipse\u003c\/li\u003e\n\u003cli\u003eElement-MF, Element-P\u003c\/li\u003e\n\u003cli\u003eGreenfield\u003c\/li\u003e\n\u003cli\u003eHastings\u003c\/li\u003e\n\u003cli\u003eLancaster\u003c\/li\u003e\n\u003cli\u003eLincoln SCR (Serial #0–300)\u003c\/li\u003e\n\u003cli\u003eLincoln SCS (Serial #301+)\u003c\/li\u003e\n\u003cli\u003ePepin\u003c\/li\u003e\n\u003cli\u003ePrescott EX, EXP, EXL\u003c\/li\u003e\n\u003cli\u003eRevolution\u003c\/li\u003e\n\u003cli\u003eSCF-050\u003c\/li\u003e\n\u003cli\u003eYork Insert\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cblockquote\u003e\u003cp\u003e\u003cstrong\u003eFitment Note:\u003c\/strong\u003e This switch is also widely used as a generic control on many other wood and pellet stove systems. Always check your stove's manual or existing switch part numbers for proper compatibility.\u003c\/p\u003e\u003c\/blockquote\u003e\u003cp\u003ePairs well with: \u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/total-hearth.com\/collections\/apache\"\u003e\u003cspan\u003eApache\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e Parts and \u003c\/span\u003e\u003cb id=\"docs-internal-guid-9db26534-7fff-4331-a3a3-a6873f4e9df3\"\u003e\u003c\/b\u003e \u003ca title=\"St. Croix Parts\" href=\"https:\/\/total-hearth.com\/collections\/st-croix-stoves\"\u003eSt. Croix\u003c\/a\u003e Parts\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePrevent unnecessary fan operation and keep your stove running efficiently with the 4T110F Thermodisc. \u003c\/strong\u003e\u003c\/p\u003e","brand":"ThermoDisc","offers":[{"title":"Default Title","offer_id":56929297662292,"sku":"5-NBK-40","price":19.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1067\/7698\/5940\/files\/20159-110F-20.webp?v=1787841541","url":"https:\/\/total-hearth.shop\/products\/st-croix-low-limit-fan-switch-80p20038-r-20159-110-f-proof-of-fire-snap-disc-for-pellet-corn-stoves","provider":"total-hearth.shop","version":"1.0","type":"link"}