Lochinvar & A.O. Smith 100109816 Pressure Switch Els PW 17895 it replaces previous iterations like

it replaces previous iterations like the HK42FZ019

Technicians often look for "pitting" on the contacts

Can I use a universal bearing instead of this rubber cartridge model

Is the S1-025-45292-000 compatible with R-22 systems

Professional installation is required to ensure proper shaft alignment and wiring integration within the furnace's control circuit

Lochinvar & A.O. Smith 100109816 Pressure Switch Els PW 17895 it replaces previous iterations likeThe Lochinvar & A. O. Smith 100109816 Pressure Switch is a critical OEM replacement part engineered for precise atmospheric monitoring in high efficiency commercial water heaters and boilers. Calibrated to a 6. 5" WC (Water Column) set point, this differential pressure switch acts as a safety critical flue prover, ensuring the combustion blower is generating sufficient negative pressure to safely vent exhaust gases. Designed for compatibility with