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The JMP EQUIPMENT COMPANY RM-797-B (NLA) is a bronze impeller designed for marine pump applications. Bronze construction provides corrosion resistance in saltwater and freshwater environments, making it a reliable choice for raw-water cooling and circulation pump service. This impeller is a direct replacement component installed by marine mechanics and qualified service technicians during routine pump maintenance or after impeller failure. The NLA designation indicates this part has been flagged as no longer available through standard distribution channels, so sourcing should be confirmed prior to ordering.
This impeller is suited for raw-water pump service aboard marine vessels where bronze material is specified over rubber or composite alternatives. Bronze impellers are commonly found in seawater cooling circuits, bilge systems, and auxiliary circulation pumps on both recreational and commercial marine platforms. Installation typically occurs during scheduled maintenance intervals or when pump output or prime is lost.
Designed as an OEM-style replacement bronze impeller for marine raw-water and circulation pumps. No specific compatible model numbers or system families were provided in the available product data.
Installation should be performed by a qualified marine mechanic. Before servicing the pump, shut off the seacock and relieve any system pressure. Follow the pump manufacturer's service manual for impeller removal and installation procedures. Inspect the pump housing, wear plate, and cam for scoring before installing the replacement impeller.
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