{"product_id":"vaillant-ecotec-plus-main-heat-exchanger-thermal-fuse-sensor-f76","title":"Vaillant ecoTEC Plus \/ Promax Heat Exchanger Thermal Fuse Sensor (F76) – Refurbished","description":"\u003cp\u003eThe F76 fault code on a Vaillant ecoTEC Plus or Promax boiler indicates that the main heat exchanger thermal fuse sensor has detected an over-temperature condition — or has failed itself, causing the boiler to lock out as a precaution. This small but critical safety sensor monitors the temperature of the main heat exchanger. When it trips or fails, the boiler shuts down and cannot restart until the fault is resolved. The \u003cstrong\u003eVaillant Main Heat Exchanger Thermal Fuse Sensor (F76 Fault) – Refurbished\u003c\/strong\u003e is the correct replacement for the ecoTEC Plus and Vaillant Promax ranges, resolving F76 lockout and restoring safe boiler operation.\u003c\/p\u003e\n\n\u003cp\u003eThis is a professionally refurbished genuine Vaillant component — tested and approved by our engineering team before dispatch. Minor cosmetic marks may be present. Original price: £20.99 — current price: \u003cstrong\u003e£15.99\u003c\/strong\u003e. Supplied with a full \u003cstrong\u003e12-month warranty\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart Fits\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width:100%;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:50%;\"\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVaillant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeat Exchanger Thermal Fuse Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFault Code Resolved\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eF76 (Heat Exchanger Over-Temperature)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Ranges\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eecoTEC Plus, Vaillant Promax\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRefurbished. Tested. 12-Month Warranty.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEvery refurbished sensor is tested and approved before dispatch. This unit resolves F76 lockout on Vaillant ecoTEC Plus and Promax boilers, restoring safe operation. Supplied with a full \u003cstrong\u003e12-month warranty\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDelivery \u0026amp; Returns\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOrders placed before \u003cstrong\u003e1:00 PM (Mon–Fri)\u003c\/strong\u003e are dispatched the same working day. Standard and next-day delivery available at checkout, including Saturday. Returns accepted within \u003cstrong\u003e30 days\u003c\/strong\u003e in original unused condition.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Before ordering, confirm the F76 fault is not caused by an actual overheating condition (e.g. blocked heat exchanger). If overheating is confirmed, the exchanger itself should be serviced first. Must be fitted by a \u003cstrong\u003eGas Safe registered engineer\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct Reference\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width:100%;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFLO-2099-A-BC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cul style=\"margin:0;padding-left:16px;\"\u003e\u003cli\u003eThermal Fuse Sensor (F76)\u003c\/li\u003e\u003c\/ul\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGC Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cul style=\"margin:0;padding-left:16px;\"\u003e\u003cli\u003eN\/A\u003c\/li\u003e\u003c\/ul\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Vaillant","offers":[{"title":"Refurbished","offer_id":48023357915301,"sku":"FLO-2099-A-BC","price":15.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0768\/1690\/8453\/files\/Vaillant-Main-Heat-Exchanger-Thermal-Fuse-Sensor-F76-Fault.webp?v=1784394372","url":"https:\/\/ephsuppliers.com\/products\/vaillant-ecotec-plus-main-heat-exchanger-thermal-fuse-sensor-f76","provider":"Elite Plumbing \u0026 Heating Suppliers Ltd","version":"1.0","type":"link"}