080-077

This premium L210-30F Primary Limit Switch is a vital safety component designed for residential gas furnaces and heating systems. As a high-limit control, it monitors the internal temperature of the heat exchanger to prevent the appliance from overheating. If the temperature exceeds the safe threshold of 210°F, the switch automatically breaks the electrical circuit to shut down the burners, protecting your HVAC system from damage and ensuring home safety. Once the temperature cools by 30°F, the switch resets to allow for normal operation. Common reasons for replacement include furnace cycling issues, a tripped safety circuit, or air flow restrictions caused by clogged filters or failing blower motors. This durable fan disc switch is a direct-fit solution for maintaining the reliability and efficiency of your forced-air heating system.
Type: High Limit Control Switch
Size: Standard
Application: Used in gas furnaces and residential HVAC units as a primary safety thermal cutout for the heat exchanger.
Specifications: Opening Temperature: 210°F; Closing Differential: 30°F; Reset Type: Automatic; Configuration: Normally Closed (NC); Switch Type: SPST (Single Pole Single Throw)