The Derale Premium Single Stage Fan Controller is a preset 180 degree F electric fan controller designed to run up to two fans with a maximum draw of 25 amps. The dual-probe kit includes a 3/8 inch NPT thread-in probe and a push-in radiator fin probe for flexible installation. It turns the fans on at 180 degrees F and off at 165 degrees F, and an A/C override circuit switches the fans on with the air conditioning. A heavy-duty 40/60 amp relay harness and electrical connectors are included.
Specifications:
- Type: Single stage electric fan controller
- Turn-on temperature: 180 degrees F, preset
- Turn-off temperature: 165 degrees F, preset
- Probes: 3/8 inch NPT thread-in probe and push-in radiator probe (dual-probe kit)
- Current rating: 25 amps continuous
- Fan capacity: Up to two fans
- Relay harness: Heavy-duty 40/60 amp
- A/C override: Included
- Part number: 16735
FAQ
What temperature does the Derale 16735 turn the fans on?
It is preset to turn the fans on at 180 degrees F and off at 165 degrees F.
How many fans can it run?
It can run up to two electric fans with a maximum draw of 25 amps.
What probes are included?
The dual-probe kit includes a 3/8 inch NPT thread-in probe and a push-in radiator fin probe.
Does it work with air conditioning?
Yes. An A/C override circuit turns the fans on when the air conditioning is running.

