762-114

The High Limit Switch L140-10F is a vital safety component designed for residential and commercial heating systems. This fan disc thermostat acts as a thermal safeguard, monitoring the internal temperature of furnaces and HVAC units. If the temperature exceeds the safe threshold of 140°F, the switch automatically opens to break the electrical circuit, preventing the appliance from overheating and protecting critical components like the heat exchanger. Once the temperature cools by 10 degrees, the switch resets to allow for continued operation. This reliable bimetal control is a common replacement part for troubleshooting furnace short-cycling or thermal cutout issues, ensuring your heating system operates safely and efficiently.
Type: High Limit Control Switch
Size: Standard Fan Disc
Application: Forced air furnaces, HVAC systems, air handlers, and various heating appliances requiring thermal safety monitoring.
Specifications: Cut-out Temperature: 140°F; Temperature Differential: 10°F; Switch Type: Normally Closed (NC) bimetal disc; Mount Type: Flange mount.