Pentair WhisperFlo XF 5 HP Impeller Assembly Replacement (400023Z)

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Restore confident water movement in compatible Pentair pump systems with this XF 5 HP impeller replacement. The impeller is the performance point inside the wet end, helping conver t motor rotation into the flow needed for filtration, circulation, and equipment operation. This component is a strong choice when a worn, damaged, or incorrect impeller is affecting priming, pressure, or overall pump efficiency. Designed for the application shown in part number 400023Z. Helps maintain proper pump flow and hydraulic performance. Useful for service repairs, rebuilds, and horsepower-matched replacements. Confirm pump series, motor rating, and seal condition before installation. Verify model compatibility and part number 400023Z before installation. Show more