Lochinvar & A.O. Smith 100170490 Gas Valve 321702-401 and IGN00145 to maintain factory

and IGN00145 to maintain factory performance levels

Reliable Ignition: Optimizes burner assembly performance to prevent "no-heat" calls caused by fouled or degraded pilot burners

replacing the entire standing pilot assembly is often more cost-effective than troubleshooting individual burner ports

and 125 MBH configurations

this regulator is rated for a 25 Psig maximum supply

Lochinvar & A.O. Smith 100170490 Gas Valve 321702-401 and IGN00145 to maintain factoryThe 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