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or excessive ambient heat exceeding the Class F thermal rating
a change-out is required
Ensure there is at least 1/4" clearance from the probe tip to any internal boiler surface or pipe wall
this updated component integrates seamlessly into existing Hankison air dryer control systems
Compact Footprint: Fits within tight burner compartments common in older cast iron boilers
Lochinvar & A.O. Smith 100109372 Gas Valve 321894-709 or excessive ambient heat exceedingThe 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