Pentair Impeller | Challenger High Pressure Pump | 355187Z Ladders & Slides Parts leak-free interface between the flexible

leak-free interface between the flexible hose and rigid plumbing

and washer Quantity Included Each Fits Into

If your existing strainer basket is cracked or damaged

Maintenance: 6-8 ounces per 10

Pentair Impeller | Challenger High Pressure Pump | 355187Z Ladders & Slides Parts leak-free interface between the flexibleOEM Replacement Impeller for the Pentair Challenger High Pressure Pump The Pentair 355187Z is the OEM replacement impeller for the Challenger High Pressure Pump, sized for the 3 4 HP Full Rated 1 HP Up Rated configuration. The impeller is the rotating component at the heart of your pump's hydraulic assembly. When an impeller wears, chips, or becomes clogged beyond cleaning, flow rate drops and the pump works harder to move the same volume of water.