International Comfort Products 1008445 Main Limit Switch L190-20F

The International Comfort Products 1008445 Main Limit Switch 190F-20F monitors temperature conditions within the heating section and changes the electrical circuit state when the sensed level reaches its preset range. Its temperature-sensitive mechanism responds to heat variation, providing a switching action that communicates operating conditions to the control circuit. It is installed in HVAC systems, and the switch forms part of the safety sequence for heating equipment where temperature control is required. The switch response allows the system to react to abnormal heat conditions while maintaining the intended operating sequence during heating cycles.