545-136

This high-limit service switch is an essential safety component for residential gas furnaces and HVAC heating systems. Designed to monitor internal temperatures, this thermal limit control automatically interrupts the heating cycle if the appliance exceeds safe operating temperatures, preventing damage to the heat exchanger and ensuring home safety. Featuring a 6-inch probe and a broad temperature adjustment range, it is a versatile replacement part for various air handlers and forced-air heating units. This pack of high-quality limit switches is ideal for HVAC professionals and maintenance technicians looking to restore reliable thermal protection to a heating system.
Type: High Limit Control Switch
Size: 6-inch probe length
Dimensions: 6 in
Application: Used in residential gas furnaces, HVAC systems, and air handlers to provide thermal safety and prevent overheating.
Specifications: Temperature Range: 30°F to 220°F; Configuration: Pack of 5 service switches; Probe Length: 6 inches.