547-126

The 7-inch High Limit Switch L150-30F is a vital safety component for residential gas furnaces and HVAC heating systems. Designed to monitor the internal temperature of the heat exchanger, this limit control switch acts as a failsafe by automatically interrupting the heating cycle if the unit reaches an unsafe temperature. Featuring a 7-inch probe for accurate air temperature sensing, this thermal switch ensures your heating system operates within safe parameters, preventing components from sustaining damage due to overheating. Common signs that a high limit switch needs replacement include the furnace blower fan running continuously or the heating system short-cycling. This durable, automatic-reset switch provides a reliable solution for maintaining optimal temperature regulation in central forced-air heating applications.
Type: High Limit Control Switch
Size: 7-inch probe length
Dimensions: 7 inches (insertion depth)
Application: Residential gas furnaces, forced-air heating systems, and HVAC units requiring overheat protection and temperature regulation.
Specifications: Temperature Limit: Opens at 150°F; Differential: 30°F (Closes at 120°F); Reset Type: Automatic; Sensor Type: Insertion probe.