Lochinvar & A.O. Smith 100288535 Gas Valve 30067439-890 This externally equalized valve features

This externally equalized valve features a 3/8" flare inlet and a 1/2" flare outlet

Regular washing of this aluminum mesh filter is recommended every 60-90 days using a mild detergent or specialized filter cleaner to restore the electrostatic capture capability of the electronic air cleaner system

found in standard HVAC control systems

If the seal shows signs of flattening

Lochinvar & A.O. Smith 100288535 Gas Valve 30067439-890 This externally equalized valve featuresThe Lochinvar & A. O. Smith 100288535 Gas Valve is a critical OEM replacement part engineered for high performance LP gas boilers and water heaters. Designed for 24V circuits, this valve features a 3 4" NPT connection and is factory set for a 10" WC (Water Column) outlet pressure, ensuring precise fuel regulation for liquid propane systems. As a direct successor to legacy part numbers VAL2929 and 100171896, it offers a seamless fit for technicians