{"product_id":"universal-thermal-radiator-fan-switch-adapter-kit","title":"Stoney Racing Universal Thermal Radiator Fan Switch \u0026 Adapter Kit","description":"\u003ch1\u003eStoney Racing SRU-TFSK Universal Thermal Radiator Fan Switch \u0026amp; Adapter Kit\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eStoney Racing SRU-TFSK\u003c\/strong\u003e is a complete kit for thermally controlling an aftermarket electric radiator fan. It contains an M14 thermal switch, an aluminium hose adapter and a pair of stainless clamps.\u003c\/p\u003e\n\u003cp\u003eChoose from \u003cstrong\u003e8 adapter sizes for 26mm to 40mm hoses\u003c\/strong\u003e and \u003cstrong\u003e6 switch temperatures from 80°C to 105°C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eThermal switch, hose adapter and clamps in one kit\u003c\/li\u003e\n\u003cli\u003eAdapters for hose IDs from 26mm to 40mm\u003c\/li\u003e\n\u003cli\u003e6 switch-on temperatures from 80°C to 105°C\u003c\/li\u003e\n\u003cli\u003eUnperforated, rolled-edge stainless clamps, safe on silicone hoses\u003c\/li\u003e\n\u003cli\u003eIdeal with our 8\" to 16\" slimline fans\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification Details\u003c\/th\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eStoney Racing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Code\u003c\/td\u003e\n\u003ctd\u003eSRU-TFSK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdapter Sizes\u003c\/td\u003e\n\u003ctd\u003e26, 28, 30, 32, 34, 36, 38 or 40mm OD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitch Thread\u003c\/td\u003e\n\u003ctd\u003eM14x1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitch-On Temperatures\u003c\/td\u003e\n\u003ctd\u003e80, 85, 90, 95, 100 or 105°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitch Max Current\u003c\/td\u003e\n\u003ctd\u003e1 amp (relay control only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdapter Material\u003c\/td\u003e\n\u003ctd\u003eAluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamps\u003c\/td\u003e\n\u003ctd\u003ePair of stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eChoosing the Adapter Size\u003c\/h2\u003e\u003cp\u003eMeasure the inside diameter of your top radiator hose and choose the matching adapter. Each adapter also fits hoses 1mm smaller, so a 30mm adapter suits 29–30mm hoses. If the hose is wider at one end, measure the section you will cut.\u003c\/p\u003e\u003cp\u003eTo fit, cut the hose on a straight section, remove about 30mm, and rejoin the two halves with the adapter and the clamps supplied.\u003c\/p\u003e\n\u003ch2\u003eChoosing the Switch Temperature\u003c\/h2\u003e\u003cp\u003ePick a switch that turns on about 10–15°C above the temperature your thermostat starts to open. For example, a 74°C thermostat suits the 85°C switch, and an 82°C thermostat suits the 95°C switch. Colder is not always better, as the engine needs to reach its normal operating temperature.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSwitches On (±3°C)\u003c\/th\u003e\n\u003cth\u003eFahrenheit\u003c\/th\u003e\n\u003cth\u003eSwitches Off\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e80°C\u003c\/td\u003e\n\u003ctd\u003e176°F\u003c\/td\u003e\n\u003ctd\u003e5–8°C lower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e85°C\u003c\/td\u003e\n\u003ctd\u003e185°F\u003c\/td\u003e\n\u003ctd\u003e5–8°C lower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e90°C\u003c\/td\u003e\n\u003ctd\u003e194°F\u003c\/td\u003e\n\u003ctd\u003e5–8°C lower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e95°C\u003c\/td\u003e\n\u003ctd\u003e203°F\u003c\/td\u003e\n\u003ctd\u003e5–8°C lower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e100°C\u003c\/td\u003e\n\u003ctd\u003e212°F\u003c\/td\u003e\n\u003ctd\u003e8–10°C lower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e105°C\u003c\/td\u003e\n\u003ctd\u003e221°F\u003c\/td\u003e\n\u003ctd\u003e8–10°C lower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eImportant Fitting Information\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eThe switch is rated at \u003cstrong\u003e1 amp maximum\u003c\/strong\u003e. It must switch the low-current side of a relay (pins 85\/86), never the fan directly. Failure from overloading is not covered by the warranty.\u003c\/li\u003e\n\u003cli\u003eRun the fan from the battery through a relay and inline fuse.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat's in the Box?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e1 × M14x1.5 thermal fan switch\u003c\/li\u003e\n\u003cli\u003e1 × aluminium radiator hose adapter\u003c\/li\u003e\n\u003cli\u003e2 × stainless steel hose clamps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eCan I wire the fan straight through the switch?\u003c\/h3\u003e\u003cp\u003eNo. The switch is only rated at 1 amp, so it must trigger a relay.\u003c\/p\u003e\u003ch3\u003eWhich hose should it go in?\u003c\/h3\u003e\u003cp\u003eThe top radiator hose, on the hot side before the radiator core.\u003c\/p\u003e\u003ch3\u003eCan I buy the parts separately?\u003c\/h3\u003e\u003cp\u003eYes. The \u003ca href=\"\/products\/m14-x-1-5-thermal-radiator-fan-switch\"\u003eswitch\u003c\/a\u003e and \u003ca href=\"\/products\/universal-radiator-hose-adapter-for-m14-fan-switch-sensor-sender\"\u003ehose adapter\u003c\/a\u003e are also sold on their own.\u003c\/p\u003e","brand":"Stoney Racing","offers":[{"title":"26mm \/ 80°C On \/ 72°C Off","offer_id":55903004393801,"sku":"SRU-TFSK26-80","price":29.99,"currency_code":"GBP","in_stock":true},{"title":"26mm \/ 85°C On \/ 77°C Off","offer_id":55903004426569,"sku":"SRU-TFSK26-85","price":29.99,"currency_code":"GBP","in_stock":true},{"title":"26mm \/ 90°C On \/ 80°C Off","offer_id":55903004459337,"sku":"SRU-TFSK26-90","price":29.99,"currency_code":"GBP","in_stock":true},{"title":"26mm \/ 95°C On \/ 85°C Off","offer_id":55903004492105,"sku":"SRU-TFSK26-95","price":29.99,"currency_code":"GBP","in_stock":true},{"title":"26mm \/ 100°C On \/ 90°C 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