this switch is specifically designed for use with non-corrosive gases like natural gas

this OEM component ensures seamless compatibility and restores factory-standard temperature regulation

Optimized Airflow: Engineered to provide the specific CFM required for stable combustion and efficient heat exchange

which is critical for preventing premature packing wear and ensuring accurate valve positioning in automated damper and valve assemblies

and WeatherKing 43-25133-11

Utica-Dunkirk 550001266 Pressure Switch Els PW 17895 this switch is specifically designedThe Utica Dunkirk 550001266 Pressure Switch is a critical safety component designed for precise differential pressure monitoring in high efficiency boilers and HVAC systems. Featuring a Single Pole Double Throw (SPDT) configuration, this switch provides reliable 0. 4" WC (water column) set point detection to ensure proper venting and combustion airflow. As a genuine OEM replacement part, it is engineered to meet the strict tolerances required by Utica