The Derale 16778 is a high amperage adjustable fan controller for a single electric fan. A dial lets the installer set the temperature at which the fan turns on and off, and the push-in probe slides into the radiator fins to read coolant temperature without drilling. The high amperage rating suits larger high output fans.
Specifications:
- Type: Adjustable single electric fan controller
- Adjustment: Dial-set on/off temperature
- Probe: Push-in radiator probe
- Capacity: High amperage
- Fans: Single
- Part number: 16778
FAQ
What does the Derale 16778 do?
It switches a single electric fan on and off at a temperature you set with the dial.
How does it read temperature?
A push-in probe slides into the radiator fins, with no drilling.
Is it adjustable?
Yes, the on and off temperature is dial-adjustable.
What fans does it suit?
Its high amperage rating suits larger high output fans.

