Pentair Impeller Assembly | Challenger High Pressure / WaterFall Specialty Pump | 355544Z Chemicals ABS and have been installed

ABS and have been installed by pool professionals throughout the world setting the standard for excellence and value

Replace the filter top and soak for four to twelve hours

9" inside diameter slip-fit receptacle

1992 before ordering — earlier valves use a different spring configuration

The water is aggressive because it is hungry for more calcium…it seeks equilibrium and wants to be properly saturated

Pentair Impeller Assembly | Challenger High Pressure / WaterFall Specialty Pump | 355544Z Chemicals ABS and have been installedThe Pentair 355544Z is the OEM replacement impeller assembly for the 3HP Challenger High Pressure Inground Pump and the AF 75 AFP 75 WaterFall Specialty Pump. What It Does The impeller is the rotating component inside the pump that generates water flow. Replacing a worn or damaged impeller restores pump performance and flow rate. Match the part number on your existing impeller before ordering to confirm correct fit. Specifications Pentair Part Number