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Consult the equipment’s electrical rating plate and the NEC for proper application limits
Designed to meet strict manufacturer specifications
including popular series like the 13ACD
Does this switch come with new tubing
Lochinvar & A.O. Smith 100277784 Impeller 30067439-890 Consult the equipment’s electrical ratingThe 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