Carrier HH12HA163 Limit Switch Check for cracks in the

Check for cracks in the ceramic or heavy carbon deposits on the probe

321542-401

Is this kit compatible with 1" or 3/4" Apollo valves

it is effective in vertical pump and fan configurations

Carrier HH12HA163 Limit Switch Check for cracks in theThe Carrier HH12HA163 Limit Switch is a critical safety component designed for precise thermal monitoring in high efficiency furnace applications. This fixed temperature limit control features a 160 degree Fahrenheit trip point and is engineered with a manual reset (M R) mechanism, ensuring the system remains offline if an over temperature condition occurs until a technician can verify heat exchanger integrity and airflow. Built to meet OEM Carrier