Carrier HH12ZZ165 Limit Switch 323080-701 Constructed from heavy-duty steel with

Constructed from heavy-duty steel with a corrosion-resistant coating

protecting the combustion chamber and surroundings

Common Questions What causes a Carrier HH12ZB160 to trip frequently

Designed for use with Weil-McLain EG and PEG series boilers

Is specific hardware required for mounting

Carrier HH12ZZ165 Limit Switch 323080-701 Constructed from heavy-duty steel withThe Carrier HH12ZZ165 Limit Switch is a critical OEM safety component engineered for precision thermal monitoring in HVAC furnaces and industrial heating systems. As a fixed temperature L165F 40 limit control, this switch features a normally closed (NC) circuit designed to open on a temperature rise at its 165F set point, effectively preventing heat exchanger damage. With a 40F differential, the automatic reset engages when the internal temperature