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This specific spring range dictates the pressure required to move the actuator
Standardized Integration: The 1/4" NPT connection and 120V configuration allow for seamless drop-in installation in existing control circuits
ensuring consistent airflow through the heat exchanger for safe combustion
ECM Efficiency: Features a high-efficiency electronically commutated design that lowers energy consumption while providing superior torque
Lochinvar & A.O. Smith 100277784 Impeller 328140-751 This specific spring range dictatesThe Lochinvar & A. O. Smith 100277784 Impeller is a critical OEM replacement part engineered for high recovery commercial water heaters and industrial boiler systems. As the professional grade successor to the legacy 100133556 part number, this centrifugal pump impeller ensures precision fluid dynamics and optimal head pressure within the heat exchanger circuit. Built to withstand the rigorous cycling of hydronic heating equipment, the 100277784
US$ 139.95
US$ 159.95
US$ 139.95