Lochinvar & A.O. Smith 100111049 Blower Assembly 320734-701 Reliable Fail-Safe: The pneumatic spring

Reliable Fail-Safe: The pneumatic spring return mechanism ensures the valve defaults to the open position during a loss of control air

This specific model (brass/EPDM) is engineered for water applications

Featuring a 1/2 inch bore and counter-clockwise (CCW) rotation

this valve is factory preset to 50 PSI for immediate installation

Lochinvar & A.O. Smith 100111049 Blower Assembly 320734-701 Reliable Fail-Safe: The pneumatic springThe Lochinvar & A. O. Smith 100111049 Blower Assembly is a direct OEM replacement engineered for high efficiency commercial water heaters, specifically the BTH 150, SUF 150, and HCG 150 series. Built for performance in both natural gas and propane applications, this combustion blower ensures the precise air to fuel ratio necessary for optimal heat exchange and venting. For a veteran technician, this assembly is the go to solution when encountering