Lochinvar & A.O. Smith 100109913 Gas Valve 321894-708 As a veteran-grade HVAC replacement

As a veteran-grade HVAC replacement sensor

The 56-frame style housing and moisture-resistant windings are optimized for the high ambient temperatures often found in suspended gas-fired unit heaters

alternative KP36 variants should be considered

Enhanced Reliability: Gold contacts prevent oxidation in low-voltage circuits

The heavy-duty DPST contacts provide reliable switching for high-load commercial mechanical pressure switch applications

Lochinvar & A.O. Smith 100109913 Gas Valve 321894-708 As a veteran-grade HVAC replacementThe Lochinvar & A. O. Smith 100109913 Gas Valve is a 24V slow opening natural gas valve engineered for precision fuel regulation in commercial water heaters and boilers. Designed with a 3 4" NPT inlet and outlet, this combination gas valve serves as a critical component for maintaining stable manifold pressure, factory preset at 3. 5" W. C. to ensure optimal combustion efficiency. This OEM replacement gas valve is a direct substitute for the A. O.