762-126

The L165F-30F High Limit Switch is a vital safety component designed for residential gas furnaces and HVAC systems. As an automatic reset fan disc control, this switch monitors the heat exchanger's temperature to protect the appliance from overheating. If the internal temperature reaches the 165°F safety threshold, the switch opens the electrical circuit to shut down the heating element or burner, preventing potential damage or fire hazards. Once the system cools down by 30°F, the switch automatically resets to restore normal operation. This part is a common replacement for furnaces experiencing short-cycling or safety cutout issues, ensuring your heating system operates safely and efficiently throughout the winter.
Type: High Limit Control Switch
Size: Small
Application: Used as a primary safety limit in forced-air gas furnaces, electric heaters, and HVAC air handlers to prevent equipment overheating.
Specifications: Opening Temperature: 165°F; Temperature Differential: 30°F; Reset Type: Automatic; Switch Type: Normally Closed (NC) Fan Disc.