Carrier HH12ZB180 Limit Switch reducing the risk of leaks

reducing the risk of leaks in high-vibration mechanical environments

If you notice the furnace is short-cycling or the blower fan runs continuously while the burner remains off

and the high-tensile brass construction is ideal for high-pressure refrigerant cycles

this part is compatible with various models across those brands that specify the S1-9951-0931 part number

Universal Compatibility: Reliable for use with all common refrigerants including R410A

Carrier HH12ZB180 Limit Switch reducing the risk of leaksThe Carrier HH12ZB180 Limit Switch is a critical OEM furnace safety control designed to protect the heat exchanger and burner assembly in Carrier, Bryant, and Payne gas furnaces. This 3 inch insert limit switch features an automatic reset mechanism and is calibrated for a fixed 180 degree Fahrenheit opening temperature with a 40 degree differential (L180 40). High limit switches are standard components in forced air systems, functioning as a normally