Pentair Impeller Washer | CSPH/CCSPH Series Commercial Pump | 38917-0203 Inlets & Skimmers it delivers consistent water clarity

it delivers consistent water clarity and long-lasting filtration performance across regular spa use cycles

inspect the header o-rings and any associated seals at the same time — these components are exposed to the same thermal cycling and are common co-failure points

Pentair Large Concrete Niche 1" Rear Conduit Hub

The SPX1084R is the round version

and flush with your pool deck

Pentair Impeller Washer | CSPH/CCSPH Series Commercial Pump | 38917-0203 Inlets & Skimmers it delivers consistent water clarityThe Pentair 38917 0203 is the OEM replacement impeller washer for the CSPH and CCSPH Series commercial pumps. The impeller washer seats between the impeller and the pump shaft assembly, maintaining proper axial positioning and protecting mating surfaces from wear under the high torque loads characteristic of large commercial pump operation. A damaged or missing washer can allow impeller movement that accelerates wear on adjacent components and