Pentair WhisperFlo XF 5 HP Impeller Assembly Replacement (400023Z) outdoor When an auxiliary panel fails

When an auxiliary panel fails

Black finish adds a bold visible accent to the jet area

Replacing the knob helps restore easier lid handling during priming

This part is listed under part number LLU10NG

Pentair WhisperFlo XF 5 HP Impeller Assembly Replacement (400023Z) outdoor When an auxiliary panel failsRestore 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