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Built for longevity in commercial environments
Always verify the BTU capacity and pressure drop requirements of your specific burner transition
It maintains the identical footprint
Common Questions When should the packing spring be replaced during valve service
Lochinvar & A.O. Smith 100277784 Impeller 320074-702 Built for longevity in commercialThe 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
