Lochinvar & A.O. Smith 100170490 Gas Valve 321702-401 this blade utilizes high-strength aluminum

this blade utilizes high-strength aluminum construction and a reinforced galvanized steel spider to withstand the rigors of continuous outdoor cycling

Observe the discharge

Never attempt to use this valve with LP without the proper spring and orifice modifications

this regulator is rated for a 25 Psig maximum supply

The module selection logic is determined by the internal diaphragm orientation and port connections

Lochinvar & A.O. Smith 100170490 Gas Valve 321702-401 this blade utilizes high-strength aluminumThe Lochinvar & A. O. Smith 100170490 Gas Valve is a critical OEM replacement part designed for high efficiency hydronic systems. As an essential component for natural gas combustion control, this valve regulates fuel delivery to the burner assembly with high precision, ensuring the manifold pressure remains within manufacturer specified tolerances. Built for the rigorous demands of commercial and residential boilers, the 100170490 is engineered to