The 3 Best variable speed radiator Fan controllers (2023 reviews)

variable speed radiator fan controllers
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Are you planning to buy variable speed radiator fan controllers, and are you confused about the options ? You have come to the right page.

Our review process:

Our Top Picks:

Derale variable speed radiator Fan controller
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Vikye variable speed radiator Fan controller
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Flexalite variable speed radiator Fan controller
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Derale variable speed radiator Fan controller

Derale variable speed radiator Fan controller
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If you often find yourself confused about convenient and suitable controller, derale variable speed radiator fan controller should be your first option for buying. This controller employs pulse width modulation that constantly adjusts fans speed to keep the desired engine temperature which can be preset to meet changing needs and environmental conditions. It offers up to 65 ampere capacity to handle the toughest conditions and most powerful cooling fans available. It comes with built-in current overload, short-circuit and overheating protection, and derale has effectively introduced original equipment reliability and function to the specialty aftermarket.

The supplied primary wire is very few multi-strand, VERY stiff wires. It includes an automatic resetting circuit breaker and a built-in air conditioning override circuit. It can be used in the kit in an attempt to reduce support calls.

The fuse is a bit cumbersome with exposed live terminals, there has to be a better option, and it's a bit tight fitting all the terminals for twin fans under the cover.

Why We Like This:
  • Constantly adjusts fans speed to maintain the desired temperature
  • Brings it in and out nice and low
  • Controls multiple electric fans up to 65 ampere capacity

Vikye variable speed radiator Fan controller

Vikye variable speed radiator Fan controller
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The vikye variable speed radiator fan controller should be able to handle its purpose and duties with ease. It is an improved fan heater control switch, designed with a heat sink that will provide better heat dissipation. Type continuously variable, rated thermal current is 10A, Easy to wire, easy to use, it is an excellent replacement for broken.

Why We Like This:
  • Widely used to adjust the speed of the fan heater, defroster, fans, etc
  • Good investment for long term

Flexalite variable speed radiator Fan controller

Flexalite variable speed radiator Fan controller
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If you often find yourself confused about convenient and suitable controller, flexalite variable speed radiator fan controller is your solution. Flex-A-Lite’s developed a new variable speed control to actuate engine cooling fans. It allows the electric fan to be turned off through water crossings. It features a built in 5-second delay to reduce charging spikes at start-up, and a 30 seconds delay after shut down if additional cooling is needed. It works well so far and it is designed to run on any fan.

The Variable Speed Control (VSC) can be set between 160 and 220 degrees and senses cooling temperature via the radiator core. It has a function to turn off the cooling fan when you are crossing deep water streams or rivers. The soft start feature is awesome.

Why We Like This:
  • Good brand reputation
  • New and hot release