762-128

This premium high limit control switch is a vital safety component for residential and commercial heating systems. Designed as a thermal fan disc, it functions as a furnace temperature sensor that monitors the internal heat of the plenum. This switch is engineered to automatically interrupt the heating cycle if temperatures exceed safe operating limits, preventing equipment damage and ensuring home safety. If your furnace is short-cycling or the blower fan is running continuously, a faulty high limit switch is a common cause. This reliable replacement part features a precision-calibrated thermal disc that reacts to temperature fluctuations, providing an essential safeguard for gas and electric forced-air furnaces.
Type: High Limit Control Switch
Size: Small
Application: Gas furnaces, electric furnaces, and forced-air heating systems used for temperature regulation and overheat protection.
Specifications: Open temperature: 160°F; Temperature differential: 20°F (Closes at 140°F); Mount type: Fan disc; Function: Thermal safety cut-out.