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the 42-100491-09 is the manufacturer-designated superceded part number
As a pressure vessel only
Common Questions Is the 37LF-201-01 compatible with older 37-201-01 installations
This is the official direct cross version of the B4310407
Reduces HVAC control valve maintenance intervals by resisting industrial fluid contaminants
Williams P323210 Gas Valve 318423-701 the 42-100491-09 is the manufacturer-designatedThe Williams P323210 Gas Valve is a critical 24V replacement gas valve engineered for precision fuel regulation in Williams Comfort Products natural gas wall furnaces and heaters. This OEM gas valve operates within a 3. 5" W. C. manifold pressure range, ensuring stable combustion and reliable heat output across various HVAC gas valve replacement scenarios. Designed for high performance natural gas heating systems, this component manages the pilot and