{"product_id":"12v-24v-digital-radiator-fan-controller-switch-kit-precise-temp","title":"12V\/24V Digital Radiator Fan Controller Switch Kit - Precise Temp","description":"\u003cp\u003eOur review of the Part #0444 digital radiator fan switch kit finds it best suited to DIY mechanics and fleet technicians who need a dependable, programmable cooling solution for both 12V and 24V systems. The single biggest reason to buy is the bright LED real-time temperature display paired with precise on\/off thresholds (104-230F), which makes tuning cooling behavior straightforward and repeatable across different vehicles and equipment. Installation is user-friendly with color-coded wiring and a long sensor cable, so it works well in cramped engine bays where accurate radiator fin sensing is important.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eLED Digital Display:\u003c\/strong\u003e Shows live temperature and preset values so the operator can monitor system temperature at a glance.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWide Temperature Range:\u003c\/strong\u003e Programmable from 104-230F (40-110C) to match different cooling needs and climates.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDual Fan Management:\u003c\/strong\u003e Controls one or two fans with a 10-second staggered start for Fan 2 to avoid circuit overload and improve efficiency.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePower-off Memory:\u003c\/strong\u003e Remembers settings after power loss so no reprogramming is required after a battery disconnect.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSimple Installation:\u003c\/strong\u003e Color-coded wires and an upgraded sensor cable length make routing and mounting the sensor in the radiator fin straightforward.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e12V\/24V Compatibility:\u003c\/strong\u003e Designed to operate reliably on both voltages for automotive and industrial applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis controller is ideal for vehicle owners, custom builders, and maintenance teams who need reliable, programmable fan control for engines, radiators, or auxiliary coolers in cars, trucks, and off-road equipment. The clear LED readout and adjustable thresholds make it useful where repeatable temperature control is required across different vehicles or climates.\u003c\/p\u003e\n\u003cp\u003eIt is less suitable for users who want a completely plug-and-play OEM replacement with a factory connector; the kit requires basic wiring and mounting skills. Also, those needing integrated networked vehicle diagnostics should consider controllers with CAN-bus or ECU integration instead.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eBright \u003cstrong\u003eLED temperature display\u003c\/strong\u003e provides real-time monitoring and easy setup.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDual fan support\u003c\/strong\u003e with staggered start protects the electrical circuit and smooths current draw.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e12V\/24V compatibility\u003c\/strong\u003e and durable construction work across automotive and industrial systems.\u003c\/li\u003e\n \u003cli\u003ePower-off memory saves programming after disconnects, reducing downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eRequires manual wiring and sensor placement; not a direct-fit OEM plug-in for all vehicles.\u003c\/li\u003e\n \u003cli\u003eDoes not include advanced vehicle network integration, so it may not suit modern ECU-dependent systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003ePart #0444\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e12V \/ 24V compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e104-230F (40-110C)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eFan Output Capacity\u003c\/td\u003e\n\u003ctd\u003eSupports 1 or 2 fans, 30A load capacity\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003eLED real-time temperature and preset values\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSpecial Features\u003c\/td\u003e\n\u003ctd\u003ePower-off memory, 10-second Fan 2 delay, A\/C override wiring\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSensor Placement\u003c\/td\u003e\n\u003ctd\u003eRadiator fin section sensor with upgraded cable length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Part #0444 digital fan controller is a practical, value-oriented choice for anyone who needs reliable, adjustable radiator fan control across 12V and 24V systems. With an easy-to-read \u003cstrong\u003eLED display\u003c\/strong\u003e, dual fan management and durable wiring, it delivers precise temperature regulation without unnecessary complexity. It represents good value for DIY installers and fleet mechanics who can handle basic wiring and want consistent cooling performance.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this unit work on both 12V and 24V vehicles?\u003c\/strong\u003e\u003cbr\u003eYes, the controller is designed to operate reliably on both 12V and 24V electrical systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere should the temperature sensor be mounted?\u003c\/strong\u003e\u003cbr\u003eThe sensor is intended to be placed in the radiator fin section so it senses air temperature as it passes through the radiator for accurate control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it support two fans and prevent overload?\u003c\/strong\u003e\u003cbr\u003eYes, it supports one or two fans with a 10-second delayed start for the second fan to reduce circuit overload risk.\u003c\/p\u003e","brand":"Oriental Power","offers":[{"title":"Default Title","offer_id":48237109510363,"sku":"B0DSBKCTNV","price":41.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71Qj5O44cBL._SL1500.jpg?v=1770706736","url":"https:\/\/gearmusthave.com\/products\/12v-24v-digital-radiator-fan-controller-switch-kit-precise-temp","provider":"GearMustHave","version":"1.0","type":"link"}