000-779

Ensure your HVAC system operates safely with this High Limit Fan Disc Switch. Designed as a critical safety component for furnaces and forced-air heating units, this thermal control switch monitors the internal temperature of your appliance to prevent overheating. It features a calibrated temperature range of 155 to 195 degrees Fahrenheit, acting as a thermal cutout. If the heat exchanger or plenum exceeds safe operating temperatures, the switch automatically interrupts the electrical circuit to protect your equipment and home from damage. This durable, snap-action disc switch is a vital replacement part for heating systems that are cycling improperly or shutting down prematurely. It is an essential component for maintaining the reliability and longevity of residential or commercial heating equipment.
Type: Fan Disc High Limit Control Switch
Size: Standard
Application: Commonly used as a safety limit control in residential furnaces, gas heaters, and forced-air HVAC systems.
Specifications: Temperature Range: 155°F to 195°F; Operation: Normally Closed (Opens on temperature rise); Design: Snap-action bimetal disc.