Lochinvar & A.O. Smith 100109372 Gas Valve 318820-201 This unit is the preferred

This unit is the preferred choice for building automation systems (BAS) where precision air pressure sensing and airflow monitoring are critical

though field technicians must verify the pressure range during the swap-out process to ensure control loop stability

this HVAC temperature switch ensures the blower motor engages and disengages at precise intervals

Drop-in Compatibility: Exact cross-reference for PUM30003 and Armstrong 182212-668

Lochinvar & A.O. Smith 100109372 Gas Valve 318820-201 This unit is the preferredThe Lochinvar & A. O. Smith 100109372 Gas Valve is a critical OEM replacement part designed for high efficiency liquid propane (LP) heating systems. This 24v gas control valve features a 1 2" inlet outlet connection and is factory set to a 10" WC (Water Column) manifold pressure, ensuring precise fuel regulation for commercial water heaters and boilers. As a veteran grade component used in Lochinvar Knight and A. O. Smith Cyclone series, it manages