Impeller Replacement Involves More Than Pump Compatibility


Whether it’s seasonal maintenance, buying a spare to have on board or making a last-minute dockside repair, choosing a replacement flexible impeller involves more than just pump compatibility. Quality is a factor, as are material and coating. JMP impellers surpass common neoprene and nitrile for performance and long life. And they’re ROHS-free, meaning they’re safe for the environment.

As an impeller ages, it tends to lose its ‘springiness’. It doesn’t circulate the water like it did when new. Engine temperatures rise, causing the pump to overheat and the impeller to fail even more, leading to potential serious damage. This is why it’s important to check the unit during regular service and always have a spare on hand.

ISO 9001-certified, JMP manufactures all its flexible impellers in-house to ensure quality and consistency. It uses a proprietary blend of materials in its neoprene and nitrile models that is resistant to salt, oils, chemicals and high heat. Because seawater temperatures vary from 32° to 110° F around the globe, they have a maximum operating temperature of 180° F. Both feature a special wax infusion that provides superior wear resistance and long service life. The insert is brass, a sure sign of excellence. Quality is guaranteed with a 1-year warranty.

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