001-139

Ensure the safety and efficiency of your HVAC system with this high-quality auto-reset limit switch. Designed as a critical safety component for furnaces and air handlers, this high-limit control switch monitors internal temperatures to prevent overheating. It features a fan disc design that automatically interrupts the electrical circuit if the temperature exceeds a safe threshold, then restores power once the system cools to a safe level. Ideal for repairing short-cycling heating units or systems that fail to stay on, this switch provides reliable thermal protection for electric heat kits and residential heating equipment. Its robust construction ensures long-lasting performance, helping to maintain optimal airflow and prevent component damage in your heating system.
Type: High Limit Control Switch
Size: Standard Fan Disc
Application: Used in residential furnaces, electric heat kits, and air handlers to monitor and control internal operating temperatures.
Specifications: Temperature Rating: Opens at 140°F, Closes at 100°F (40°F Differential); Reset Type: Automatic; Configuration: Fan Disc Thermostat