Lochinvar & A.O. Smith 100093721 Valve 320788-704 This is a NEMA 48Y

This is a NEMA 48Y frame motor with a 5

This kit is the thermistor and lead assembly

This kit provides a complete field solution

making it ideal for industrial HVAC control

and inert gases at fluid temperatures up to 180°F

Lochinvar & A.O. Smith 100093721 Valve 320788-704 This is a NEMA 48YThe Lochinvar & A. O. Smith 100093721 Valve is a 3. 5" natural gas control valve engineered for precision fuel regulation in high efficiency commercial boilers and water heaters. Designed to meet the demands of condensing heating systems, this direct replacement gas valve ensures accurate manifold pressure and consistent ignition cycles. As a critical OEM HVACR component, it works in tandem with the blower assembly to maintain the correct air to fuel