Pentair Impeller Assembly | Max-E-ProXF & WhisperFlo XF | 400023Z C4405 inspect the impeller and diffuser

inspect the impeller and diffuser together — wear or debris damage to one often affects the other

or missing

Brand Equipment Line Model / Part Number Notes Pentair Dynamic Filter Series II & III RTL Top Load In Line Cartridge Filter

GLI 20' x 40' Rectangle Mesh Safety Cover

and Astral 48 sq

Pentair Impeller Assembly | Max-E-ProXF & WhisperFlo XF | 400023Z C4405 inspect the impeller and diffuserThe Pentair Impeller Assembly (400023Z) is the OEM replacement impeller for the Max E ProXF and WhisperFlo XF series inground pumps, including fixed speed 20 HP configurations and variable speed models. What It Does The impeller is the rotating component inside the pump wet end responsible for moving water through the circulation system. A worn, cracked, or clogged impeller reduces flow rate and puts strain on the pump motor. Replacing it with the