this specific pilot assembly is engineered strictly for natural gas (NG)

allowing it to function as a universal replacement for standard 370V or 440V components

the DML (023Z5043) uses a 100% molecular sieve core for maximum moisture removal

The PTFE O-ring ensures a superior external seal against refrigerant leaks

Check your valve model against the technical documentation to ensure the spring fits correctly

Lennox 80K28 Pressure Switch Els PW 17895 this specific pilot assembly isThe Lennox 80K28 is a critical safety component designed for precise furnace pressure monitoring in high efficiency gas fired systems. This OEM Lennox replacement part, also identified as 80K2801, features a factory calibrated set point of . 43" WC (Water Column) to ensure the inducer motor is generating sufficient draft before allowing ignition. Built for durability in demanding HVAC ventilation systems, the switch utilizes a Single Pole Single Throw