The Derale 180 degree F Fan Switch Thermostat is a single stage control that switches an electric cooling fan on and off by coolant temperature. It is preset to turn the fan on at 180 degrees F and off at 165 degrees F, and it handles up to a 15 amp continuous draw. The kit includes 1/8 inch and 3/8 inch NPT bushings so the sensor can thread into common water-passage ports.
Specifications:
- Type: Single stage fan switch thermostat
- Turn-on temperature: 180 degrees F (preset)
- Turn-off temperature: 165 degrees F (preset)
- Amp rating: 15 amp maximum continuous draw
- Thread adapters: 1/8" NPT and 3/8" NPT bushings included
- Function: Switches an electric cooling fan by temperature
- Part number: 16730
FAQ
What does the Derale 16730 fan switch do?
It turns an electric cooling fan on when coolant reaches 180 degrees F and off when it drops to 165 degrees F.
What NPT sizes does it fit?
The kit includes 1/8 inch and 3/8 inch NPT bushings so the sensor fits common water-passage ports.
How much current can it switch?
It is rated for up to a 15 amp maximum continuous draw.
Is it adjustable?
No. The turn-on and turn-off temperatures are preset at 180 and 165 degrees F.

