- Universal automotive 12 volt electric fan thermostat sensor switch.
- 3/8" NPT thread-in probe thermostat, 250'F turn-on/235'F turn-off.
- Circuit closes at selected turn-on temperature and powers your fan.
- Turn-off temperature is 15 degrees less than the turn-on temperature.
- Measures all liquid temperatures including water, coolant and oil.
- Length from the top of the brass probe threads to the tip is 0.5 inches.