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This temperature-controlled fan switch is installed in the engine. Works in hot operation as well as in air conditioner operation. It can control 1/2 fans. The second fan will not be enabled until 10 seconds after the first fan works. (This will avoid overloading the circuit.) This digital thermal fan switch kit can be used with thermal electric fans, EWP and other brands of fans.
LED digital temperature display design can display actual temperature and set temperature. Settable temperature range 40°c to 110°c (104°F to 230°F).
Specification:
Max voltage: 15V
Max current: 50A
Relay setup: Dual relay
Speed: Single speed - 10 second delay to start up the second fan
Applications: works with single and dual fan applications
Temperature Display: LED digital temp display - actual temperature + set temperature
Temperature Display: Centigrade or Fahrenheit Temperature settings: 104 to 230º F (40 to 110º C)
Temperature setting: Push Button
Circuit type: Pre-programmed micro controller
Output wires: Batt + Batt - IGN, AC Clutch, Fan #1, Fan #2 Thermistor Probe
Dimensions: 3.75" x 2.6" x 2.2" (95 x 65 x 56 mm)
You can use the A/C wire as a manual override by providing it with 12 Volts from a switch.
jason n.
2025-09-04 15:10:27
This digital thermal fan switch works exactly as advertised! I installed it to control the fan in my RV, and it’s been fantastic. The temperature range is adjustable, and the switch kicks on and off at the perfect times, keeping my space at a comfortable temperature without me having to manually monitor it.The installation was simple, and the digital display makes it easy to set and adjust. It’s been running smoothly with no issues, and I love the added control it gives me over my fan. If you need an efficient way to manage fan temperatures, this switch is a great investment!
mikkiflynn
2025-07-28 13:36:07
Plenty of extra wire length, check the comments for wiring diagram. Other than that, tempurature shows in °C.It's really a plug and leave system
ROBERT
2025-05-30 10:02:51
wanted a relay were i control temp. easy to set turn on temp by 1 deg intervals. this does the trick perfectly. wiring up was a breeze. i wired the ac override to a switch inside cab for when in stop n go traffic. i can have fans run nonstop (prevents over heating). using to power 2 16in fans. drops radiator temp 10 deg in 30 sec
josh hughes
2025-05-29 14:23:56
Installed 2 of these in my 84 mustang with the ford contour electric fan set up. Initial test are great and turn both fans on and off as it should. Then once driving and in traffic temperature started rising and would not cool down. First kit thought it was because water intruded into system so ordered a second one and installed the second one and on the first drive having same issues with the second kit as I did the first one. One fan would be running normal and other fan barely running or not at all.
Steven
2025-05-13 17:01:26
Their is no wiring diagram included but looking at thickness of wires you can kinda figure some of it out and then look at relay to figure the rest out. Not sure if probe isn’t in best spot or it’s just glitchy it will usually turn on when hot but couple times it hasn’t. Overall I’d say I’m mi d if happy with it it’s kinda trial and error to set up temp right aim temperature lower then you actually want it think it’s mostly a contact with temp probe issue that I was experiencing.
Auman parrish
2025-04-25 17:56:54
But this intended to only use one fan having the extra relay leaves the door open for any fan use in the future install easy set up easy I just put it in a nice dry spot. I do wish it came with a decent cover, but you can’t even see mine Mounted under the dash would definitely buy again
Thomas A.
2025-03-21 13:04:59
Looked like a professional equip but I could not use it for my purpose. Thanks.
rodrigo
2025-02-16 17:08:34
Diagram is eazy as 123
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