Lochinvar & A.O. Smith 100277784 Impeller 320074-702 Common Questions When should the

Common Questions When should the packing spring be replaced during valve service

thermal stress over many cooling cycles

It maintains the identical footprint

Built for longevity in commercial environments

Lochinvar & A.O. Smith 100277784 Impeller 320074-702 Common Questions When should theThe 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