Pentair WhisperFlo XF 5 HP Impeller Assembly Replacement (400023Z) outdoor Replacing the knob helps restore

Replacing the knob helps restore easier lid handling during priming

It supports the working feel of the jet area and helps maintain the intended flexibility of the setup

Improves debris control and operating confidence

missing diffuser

A bath pump moves water through a compatible bath system and plays a direct role in overall circulation performance

Pentair WhisperFlo XF 5 HP Impeller Assembly Replacement (400023Z) outdoor Replacing the knob helps restoreRestore 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 convert 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