{"product_id":"ac-parts-2601394-thermostatic-switch-freightliner-heavy-duty-trucks","title":"Red Dot RD4125-48 Rotary Thermostatic Switch – 12\/24V 48in Capillary","description":"\u003cp\u003eBuilt for Class 8 A\/C service, the 2601394 thermostatic switch ships ready to install. This 12\/24V adjustable-temperature switch is designed for heavy-duty truck and equipment A\/C systems requiring operator temperature control. The 48-inch capillary tube provides extended sensor reach, allowing flexible evaporator placement. Operator turns the knob to set desired cycling temperature between 26°F and 52°F.\u003c\/p\u003e\n\n\u003ch2\u003eSigns You Need a New Thermostatic Switch\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eA\/C compressor clutch cycles erratically or fails to engage\u003c\/li\u003e\n\u003cli\u003eEvaporator coil freezes up regardless of switch position\u003c\/li\u003e\n\u003cli\u003eAir conditioning does not respond to temperature adjustments\u003c\/li\u003e\n\u003cli\u003eA\/C runs continuously and cannot be modulated via knob control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eRed Dot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003eRD4125-48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePart Type\u003c\/th\u003e\n\u003ctd\u003eRotary Variable Thermostatic Switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e12\/24V (bi-voltage)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCapillary Tube Length\u003c\/th\u003e\n\u003ctd\u003e48 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAdjustable Temperature Range\u003c\/th\u003e\n\u003ctd\u003e26°F to 52°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCut-in\/Cut-out Cycle\u003c\/th\u003e\n\u003ctd\u003eCuts in 34°F, cuts out 26°F (at nominal setting)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRefrigerant Type\u003c\/th\u003e\n\u003ctd\u003eR12\/R134a\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eControl Type\u003c\/th\u003e\n\u003ctd\u003eKnob (manual)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCross References\u003c\/h2\u003e\n\u003cp\u003eThis part replaces or is equivalent to the following part numbers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRed Dot OEM:\u003c\/strong\u003e RD4125-48, RD-5-4125-48, BD1035\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlso known as:\u003c\/strong\u003e MVA1-4185, 9533N399, A45-1094\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eThis rotary thermostatic switch fits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFreightliner FLT, FLC, FL Series (all with rotary knob control)\u003c\/li\u003e\n\u003cli\u003eInternational, Mack, Peterbilt heavy-duty trucks\u003c\/li\u003e\n\u003cli\u003eRefrigerated transport vehicles requiring adjustable A\/C control\u003c\/li\u003e\n\u003cli\u003eAgricultural and industrial equipment with 48-inch capillary routing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eVerify capillary tube routing distance and electrical voltage before ordering to confirm fitment.\u003c\/em\u003e\u003c\/p\u003e","brand":"Red Dot","offers":[{"title":"Default Title","offer_id":51191399547165,"sku":"2601394","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0053\/0730\/1991\/files\/THERMOSTATIC-SWITCH-ROTARY-9533-N399-A45-1094.jpg?v=1776788018","url":"https:\/\/www.allprodiesel.net\/products\/ac-parts-2601394-thermostatic-switch-freightliner-heavy-duty-trucks","provider":"All Pro Truck Parts","version":"1.0","type":"link"}