545-175

Ensure the safety and efficiency of your heating system with this premium 5-inch high limit control switch. Designed as a critical safety mechanism for HVAC units and furnaces, this thermal limit switch monitors the internal temperature of your appliance to prevent overheating and potential damage to the heat exchanger. It features a fixed temperature setting that automatically interrupts the electrical circuit if the unit exceeds safe operating levels. This specific L175-30F model is engineered to open at 175 degrees Fahrenheit and reset once the temperature drops by 30 degrees, providing reliable protection and peace of mind. Ideal for professional HVAC repairs and routine maintenance, this durable switch is a standard replacement part for residential and commercial forced-air heating systems.
Type: High Limit Control Switch
Size: 5-inch insertion length
Dimensions: 5 in
Application: Commonly used in residential and commercial gas furnaces, air handlers, and HVAC equipment as a primary safety sensor to prevent equipment overheating.
Specifications: Open Temperature: 175°F; Differential: 30°F (Resets at 145°F); Type: Automatic Reset; Probe Length: 5 inches.