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Made exclusively by us at Cobra Valley, this controller can accurately and consistently maintain a user specified coolant temperature for electric fan equipped radiators, engine oil coolers and transmission coolers. You can use this controller with either an existing factory system, or with aftermarket electric cooling fans.
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* Detailed Instructions Included! *
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$89.95
Complete Electric Fan controller KIT (left)
Other Cooling Fan Controller Accessories
$9.95 30 Amp relay SPDT
$5.95 30 Amp relay plug and harness
$4.95 30 Amp blade fuse or breaker holder
$6.95 30 Amp Auto Reset circuit breaker
$.95 30 Amp Blade style fuse
$12.95 180 Deg. "balanced" Rad. thermostat
$12.95 195 Deg. "balanced" Rad. thermostat
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* Adjustable from 160 to 240 degrees
* Automatic ON and OFF fan control
* Water Resistant housing
* For Radiators, Oil & Trans coolers
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Most factory cooling fan thermostatically controlled switches are pre-set to activate at 195 degrees. This is way too high when using the common balanced performance 180 degree thermostat. What happens is your fans allow the cooling temp to rise up to 195 before turning the fans on, even though you have a 180 thermostat installed. Once this vicious cycle has begun, the temperature can spiral upwards out of control, which results in overheating.
This adjustable externally mounted thermostat fan controller can be set by a turn of a knob to make the fans come on and turn off anywhere between 180 and 240 degrees in infinite increments. The 16" long capillary line allows the probe to be easily mounted by either inserting it into the upper radiator hose with the supplied sealing components, or simply externally mount it in between the fins on the outside of the radiator or oil cooler.
You can use this unit as a stand alone system, or wire it to access various additional features creating a "multiple choice control" system. This second option would have a cab mounted toggle switch allowing the user to select any of the following...
1. Have the Fan Controller automatically turn the fans on and off where ever you set them to (normal)
2. Manually activate the fans at any time you wish besides where ever the automatic level is set
3. Allow the fans to continue to cool and automatically turn off, even after the ignition is turned off
4. Have the fans immediately deactivate whenever the ignition is turned off
* Set the fans to come on sooner in summer for maximum cooling, or delay activation in winter for
warmer operation and better heater performance.
This can be achieved by following the very detailed and simple to follow illustrated instructions included with this kit. You can even wire in a lamp that illuminates whenever the fans are activated. The adjustable thermostat can handle up to a 20 amp load. If more current is required for higher amperage fans, the use of a relay can be added.
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The unique and simple sealing system of this kit allows placement of the temperature sensor probe to be placed directly into the coolant flow into the radiator. This results in the absolute most accurate readings delivered to the controller unit, which provide in accurate and consistent fan actuation at exactly the levels you set.
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Upper Radiator Hose Inlet Illustration
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The unique, easy to read, incremented and graduated dial control allows you to easily pre-select the proper activation temperature for your electric cooling fans before you even start the engine. This saves tedious trial and error tests and prevents overheating or excessive current drain due to an improperly set activation level. With immediate changes only seconds away from your finger tips, you can "fine tune" your fans depending on the situation. In cooler climates, set the fans to come on at a higher temperature for more efficient operation. During warmer climates, set the fans to come on a little earlier to decrease underhood temps, vapor lock and improve performance and drivability in slow moving traffic (parades, cruises, city operation.)
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The fully integrated thermostatic control and adjustment dial is contained in one small easy to mount compact module. An internal fuse protects the system from overloads and is easy to service in just seconds rather than replacing other sensitive cooling electronics.
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