543-506

Ensure your heating system operates safely and efficiently with this 5-inch Fan and Limit Switch. This combination control is a vital component for forced-air furnaces, serving two primary functions: regulating the blower fan and providing a critical high-limit safety cut-off. The adjustable fan temperature settings allow you to customize the blower's cycle times, improving energy efficiency and air distribution throughout your home. Meanwhile, the high-limit switch monitors for overheating, automatically shutting off the burner to protect the heat exchanger from damage. Ideal for HVAC repairs or seasonal maintenance, this durable switch ensures consistent performance and peace of mind by preventing the furnace from exceeding safe operating temperatures.
Type: Fan and Limit Control Switch
Size: 5-inch sensing probe
Dimensions: 5 inches (probe length)
Application: Designed for use in forced-air furnaces, residential heating systems, and HVAC units to manage blower motor cycles and provide high-temperature safety protection.
Specifications: Adjustable fan-on and fan-off temperature differentials; manual or automatic high-limit safety stop; combination fan and limit control; 5-inch insertion probe for plenum temperature sensing.