Pentair Impeller 1-1/2 HP Full Rate / 2 HP Up-Rate | Challenger High Pressure Pump | 355315Z VBK105 Before ordering a replacement

Before ordering a replacement

this is the correct O-ring to restore a watertight fit

Adjust pH to 7

Without an enzyme like CV-600 (or CV-700)

confirm the part number stamped on your existing handle or listed in your FullFloXF valve's installation manual

Pentair Impeller 1-1/2 HP Full Rate / 2 HP Up-Rate | Challenger High Pressure Pump | 355315Z VBK105 Before ordering a replacementThe Pentair Impeller (355315Z) is the OEM replacement impeller for the Pentair Challenger High Pressure inground pump, rated for 1 1 2 HP Full Rate and 2 HP Up Rate configurations. The impeller is the rotating component that moves water through the pump by converting motor shaft energy into flow. A worn, cracked, or clogged impeller directly reduces flow rate and system pressure. Replacing it with the correct OEM impeller restores the pump to its