040-461

Ensure the safety and efficiency of your heating system with this professional-grade auto-reset limit switch. Designed as a high-limit thermostat for residential gas furnaces and HVAC units, this fan disc switch serves as a critical safety component by monitoring internal air temperatures. It features a precise 170°F to 210°F operating range; the switch automatically opens to shut down the heating cycle if temperatures exceed safe levels, preventing equipment damage and overheating. Once the system cools down to the lower threshold, the switch automatically resets to restore normal operation. This replacement part is ideal for resolving issues such as furnace short-cycling or blower fans that fail to deactivate, ensuring your forced-air system operates within manufacturer safety specifications.
Type: High Limit Control Switch
Size: Standard Fan Disc
Application: Commonly used in residential gas furnaces, HVAC heating systems, and forced-air units for thermal protection and temperature regulation.
Specifications: Temperature Range: 170°F - 210°F; Reset Type: Automatic; Configuration: Normally Closed; Component Type: Fan Disc