762-043

This 5/8-inch disc limit switch is a critical safety component designed for HVAC systems and forced-air furnaces. As an automatic reset high-limit control, it monitors the internal temperature of your heating equipment to prevent overheating. When the ambient temperature reaches its pre-set limit, the switch opens the electrical circuit to shut down the heat source, providing essential thermal protection. Once the unit cools down to a safe operating temperature, the switch automatically resets, allowing the system to resume normal operation. This fan disc switch is an ideal replacement part for troubleshooting furnace short-cycling or thermal cut-out issues, ensuring your residential or commercial heating system operates efficiently and safely.
Type: High Limit Control Switch
Size: 5/8-inch disc
Application: Commonly used in gas furnaces, electric heating units, and air handlers to monitor plenum temperature and provide secondary safety protection.
Specifications: Temperature Open: 145°F; Temperature Close: 115°F (30°F Differential); Reset Type: Automatic; Disc Diameter: 5/8 inch