Carrier HH12HA163 Limit Switch Why is the plate size

Why is the plate size 7-1/4 inches

it is recommended to use a thermal well for any liquid immersion requirements to maintain the integrity of the thermistor element

000 BTU and similar high-capacity gas furnaces

321542-401

power assemblies

Carrier HH12HA163 Limit Switch Why is the plate sizeThe 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