12v Thermostat Fan Controllers of 2025
Best Choice1
Clicked 10 times in the last monthJUNRUODigital Thermatic Fan Switch Kit #0444,12V and 24V, Adjustable Temperature Range Digital Electric Thermatic Dual Electric Fan Switch Kit
Main highlights- 【Speed】This fan controller switch kit is designed to operate 1 or 2 fans, ensuring efficient cooling even in demanding conditions. The second fan will automatically start running after 10 seconds of the first fan's operation, providing enhanced cooling power when needed.
- 【Replaceable Part Number】0444,DC-0444, DC0444.
- 【Precise Temperature Control】Adjustable 104°F to 230°F - digital display can show Centigrade or Fahrenheit Can be used with Thermatic Electric Fans, EWP's and similar models.
- 【Compatibility】The Part #0444 Digital Radiator Fan Controller Switch Kit is suitable for both 12V and 24V applications, fit for thermoelectric fans, EWP, and similar models, making it a versatile choice for various vehicle cooling systems.
9.8Exceptional
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Value for Money2
DueilgoDigital Radiator Fan Controller Swith 12V and 24V, Adjustable Temperature Range Digital Electric Thermatic Fan Switch Kit Replace # 0444 DC0444
Main highlights- [Temperature Range] The adjustable temperature range is 104°F to 230°F (40°C to 110°C), displayed on the LED digital screen in Celsius or Fahrenheit, and can be adjusted through the set button. (LED digital temperature display, actual temperature+set temperature.)
- [Premium Quality] The digital radiator fan controller is made of high-quality materials and professionally manufactured to withstand the harsh test of daily driving and intense competition conditions, ensuring durability and service life. Provide precise temperature control for your cooling system.
- [Installation] The digital thermatic fan switch kit comes with a sensor installed between the radiator fins of the vehicle. An adapter kit is required to install the sensor into the coolant hose
- [Effective Operation] The fan control switch can operate one or two fans, and if there is a second fan, it will start after the first fan runs for 10 seconds. It operates at high temperatures and also runs when the air conditioning is running. Circuit type: Pre programmed microcontroller.
- [Application] OEM Part number 0444, DC0444.Fan switch kit can be used in 12V or 24V applications.(If you plan to operate a 24V fan, you will need to purchase a standard 24V relay)
9.6Exceptional
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3
Inkbird22% OffInkbird Dual Stage DV 12V Digital Temperature Controller Fahrenheit Thermostat Heating and Cooling for Homebrewing Brew Fermenter Fridge Incubator Greenhouse
Main highlights- Mode: Automatically switch between cooling and heating modes
- It can be used for water cooling devices, cooling fans, a car's 12 V battery, a 12-volt chest cooler, and heaters, etc
- Display: Fahrenheit or Celsius reading is switchable
- Calibration and protection: Temperature accuracy calibrating; Optional refrigerating control output delay
- Alarms: When the temperature exceeds the preset high or low temperatures, or the sensor is in error it will alarm
- 2 Relay Outputs: Set the target temperature and the return differential temperature to maintain a specific temperature range
9.5Excellent
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4
bayitebayite DC 12V Fahrenheit Digital Temperature Controller 10A 1 Relay with NTC 10K Sensor
Main highlights- Warranty---1 year warranty.
- Simplified Design---Easy to set. Support °F display. NTC 10K Sensor Probe.
- Safe Protection---High and low temperature alarms are available when the temperature overshoots your desired temperature. Compressor delay protection time setting and Temperature calibration
- Package contents: A DC 12V temperature controller , comes with a 3m(9.8ft) waterproof probe sensor (Measure range is -4 ~ 230°F), and a user manual.
- One Relay Output---Switch between heating mode and refrigeration mode according to the device you plug into the controller. Maximum output load: 1100W(110V)
9.4Excellent
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5
BN-LINK10% OffBN-LINK Digital Cooling Thermostat Controller for Cooling Device Circulation Box Fans 40-108F 8.3A 1000W
9.3 Simple to use8.9 Temperature control8.7 worth the moneyWhy we love it
Easy setup: Plug, place, and set.
Dark indicator: See status in dark.
Sturdy cord: 6ft long, reliable.
9.3Excellent
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6
coolerguysCoolerguys Programmable Thermostat Fan Controller Kit for Standard 3pin Fans
Main highlights- UNIVERSAL FAN OUTPUT: Use this controller to connect directly into standard 3pin fans (or use an adapter to get to a 3pin port).
- SIMPLE PLUG AND PLAY: Everything on this controller is plug and play with standard connectors for all the DIY people out there.
- PINPOINT CONTROL: Separately control up to four fans to stagger on at different intervals.
- HIGH QUALITY: We trust in our products and extend 3 year warranties to this kit with components that have CE, UL, and ROHS safety listings.
9.0Excellent
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7
HilitandDC 12V All Purpose Digital Temperature Controller Thermostat with Sensor Programmable Color LED Display Monitor
Main highlights- WIDELY USED: Widely used in the hatching area, equipment case, air conditioning system, temperature control and other fields
- TWO TYPES: This delicate digital display temperature controller can set Celsius mode or Fahrenheit mode
- HIGH TEMPERATURE : Wide temperature measurement range from -50℃ to 110℃ and supports high temperature
- EASY TO INSTALL: This digital temperature controller can be installed directly or embedded in industrial control equipment panel, convenient and quick
- CONVENIENT: The display and control temperature can be set to 0.1℃. It is convenient to install and wiring is simple
8.8Very Good
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8
TAKPARTTAKPART 12V Adjustable Electric Radiator Fan Thermostat Control Relay Wire Kit for Car Truck
Main highlights- Thermostat dial has both Celsius and Fahrenheit temperature markings.
- Package includes: 1 x radiator fan thermostat control relay wire kit
- No instructions included, professional installation is highly recommended.
- Flexible turn-on/turn-off temperature control range of 32-248'F (0-120'C).
- 3-pin design allows thermostat to be wired as a normally open OR closed circuit.
8.6Very Good
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9
X AUTOHAUXX AUTOHAUX 12V Electric Radiator Fan Thermostat Controller Kit Liquid Expansion Temperature Control Switch for Car
Main highlights- Using: The probe can be mounted in a radiator inlet tube so that remains positioned in the hose.
- Package Includes: 1 x Fan Thermostat Controller, 1 x Mounting Bracket, 2 x Female Connectors, 6 x Screws.
- Material: Made of good material, which is durable, portable for long time use.
- Feature: The thermostat dial has Celsius and Fahrenheit temperature markings to make the set up more convenient.
- Dimension: Voltage: 12V; Probe length: 7.4cm/2.91"; Pin Number: 3; Thread Size: M4x0.75; Temperature range: 40-240 Fahrenheit scale (0-120 Degree Celsius).
8.5Good
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10
coolerguysCoolerguys Dual 120x120x25mm PWM Fans with PWM Thermostat Controller Kit
Main highlights- QUIET WHILE LOW USAGE: Keep your cooling as unnoticeable as possible with a lower threshold of 17 decibels.
- PROGRAMED RAMP UP: Set your temperature threshold on startup and rate of increase from compact a PCB.
- POWERFUL WHILE HOT: Compact 4" fans will ramp up to over 200 CFM when thermostat sensor detects significant heat.
- LONG LIFESPAN: 67,000 MTBF on each ball bearing fan.
8.4Good
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