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Flex-a-lite Variable Speed Controllers 31165

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Fan Control, Thermostatic, Adjustable, 160 to 220 Degrees, Kit

Estimated Ship Date: Monday 10/27/2014 Would you rather pick it up? Select Location

  • Order this item and get free delivery and handling on your entire order! Offer excludes truck freight fees. Valid on orders shipped in the contiguous United States.

Brand: Flex-a-lite
Manufacturer's Part Number: 31165
Summit Racing Part Number: FLX-31165

UPC: 88657311656
Thermal Switch Style: Adjustable fan control kit
Sending Unit Style: Radiator probe
Sending Unit Included: Yes
Fan Quantity: Single/Dual
Adjustment Range (F): 160-220 degrees F
Relay Included: No
Wiring Harness Included: Yes
Manual Override Switch Included: No
Air Conditioning Relay Included: No
Quantity: Sold as a kit.
Notes: Variable speed control allows fan speed from 60 to 100 percent, depending on built-in thermostat setting. Rated at 45 amps.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

Flex-a-lite variable speed controllers attach on or near the electric fan, sensing coolant temperature via a radiator probe or temperature sending unit. They set fan speed from 60 to 100 percent, depending on the built-in thermostat's setting. The thermostats have a range of 160-220 degrees F. The variable speed controllers allow greater control over engine temperature, which helps to reduce charging spikes and current load on the charging system. They keep the fans running for 30 seconds after your vehicle is turned off.

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5 Customer Reviews for Flex-a-lite 31165 - Flex-a-lite Variable Speed Controllers

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Fox project

Summit RacingSummit Racing Verified Purchase

Extremely happy works beautiful car runs nice and cool

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Reviewer: ERIC from MA

Date: October 19, 2014

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Great product!!!!

Summit RacingSummit Racing Verified Purchase

This controller does exactly what it's suppose to do I hooked dual fans in my 82 cutlass and now 350 doesn't go over 195 and I'm in Texas heat.

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Reviewer: BRYAN from TX

Date: August 11, 2014

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easy installation

instructions are great and easy to follow

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Reviewer: RICKY from TX

Date: July 01, 2014

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Fan controller

Summit RacingSummit Racing Verified Purchase

Works good, however in my view the controller should have a broader temp band. The unit seems to start and stop in a 10 deg F range fully adjustable by the user. It would be nice if that could be 15 or so, I think it would prevent some hunting of the engine temp. The fans would run a little longer each time they started but may have time to catch the temp rise of the engine and keep it closer to set point. Update, I gave up on this controller because it is not stable and consistent with temp settings. When the product is cool it works much better then hot. While hot under the hood the controller on/off varies 10-15 deg and very randomly you never know when it will turn the fans on. I routinely would see fans on 10-15 after the set point and off before set point. Would not recommend. ...read more

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Reviewer: DUANE from CA

Date: May 31, 2014

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E-fantastic

Summit RacingSummit Racing Verified Purchase

Got this to control the Ford Taurus fan in a Jeep Wrangler. As always SR ships right now! Received quickly and without damage. The instructions are sufficient and the install went well. There is an adjuster to establish the fan-on temperature. It requires a small flat screw driver and very little muscle. To hit the right spot in this Jeep is right near the low extreme. So far, so good. The parts are of good quality and there are plenty of connectors for the wiring. ...read more

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Reviewer: TIMOTHY from MI

Date: April 14, 2014

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Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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