Lochinvar & A.O. Smith 100346570 Control Valve 326058-758 This HVAC high limit switch

This HVAC high limit switch is built for durability in residential and commercial wall-mount units

As a veteran-preferred aftermarket solution

effectively mitigating premature component fatigue and unnecessary noise

Built with durable sleeve bearings

while the unique inverted bucket mechanism provides excellent resistance to water hammer and wear

Lochinvar & A.O. Smith 100346570 Control Valve 326058-758 This HVAC high limit switchThe Lochinvar & A. O. Smith 100346570 Natural Gas Control Valve is a genuine OEM replacement engineered for high recovery residential and commercial water heating systems. As the direct replacement for 100339497, this Ultra Low NOx (ULN) gas valve features a 1 inch CAV (Constant Air Velocity) configuration. Designed for precision fuel regulation, it integrates a 750 millivolt generator power source and an internal spark igniter to ensure consistent