- 40mm or 1.57" inch OD hose adapter with 1/8" NPT port.
- 180'F turn-on electric cooling fan thermostat sensor switch.
- Circuit closes at turn-on temperature and grounds your fan.
- Turn-off temperature is always 15 degrees less than turn-on.
- Mounts anywhere along the radiator or condenser hose line.
- Other in-line wiring kits and fitting sizes listed in our store.
Other sizes and temperatures can be