Aaon P81570 Limit Switch Els PW 17895 "HERM" connects to the compressor

"HERM" connects to the compressor (hermetic) start winding

visible cracks in the ceramic insulator

The Armstrong Furnace R40154B010 Limit Switch is a critical high-limit safety control engineered for precise thermal monitoring in residential heating systems

you must never decrease the voltage rating or deviate from the microfarad (uF) specification

which can compromise the entire control loop

Aaon P81570 Limit Switch Els PW 17895 "HERM" connects to the compressorWhen you are dealing with high capacity AAON units, the Aaon P81570 Limit Switch is a critical component for maintaining secondary safety and equipment integrity. This OEM replacement hi limit switch is engineered with a 7 inch insert probe to provide accurate thermal sensing deep within the cabinet or ductwork, ensuring the system Reacts to over temperature conditions before damage occurs to the heat exchanger or downstream components. Operating on