Pentair Impeller | Max-E-ProXF & WhisperFlo XF | 400020Z Sanitizer System Parts Automatically screens out dirt and

Automatically screens out dirt and debris for quick

hand-tighten only — overtightening can crack the knob or damage the lid threads

covering the 8 HP and 30 HP model variants across all major configurations in these lines

Many compatible Maax and Elite Spa models use a dual-filter system requiring two (2) cartridges for a complete service

This kit services the internal mechanism of the A&A 6-Port low-profile water valve

Pentair Impeller | Max-E-ProXF & WhisperFlo XF | 400020Z Sanitizer System Parts Automatically screens out dirt andThe Pentair 400020Z is the OEM replacement impeller for the Max E ProXF and WhisperFlo XF series inground pumps, covering the 8 HP and 30 HP model variants across all major configurations in these lines. The impeller is the rotating component inside the pump volute that transfers kinetic energy from the motor shaft to the water, generating the flow and pressure your system requires. A damaged, worn, or cracked impeller results in reduced flow, loss of