Pentair Impeller Washer | CSPH/CCSPH Series Commercial Pump | 38917-0203 Inlets & Skimmers

Pentair Impeller Washer | CSPH/CCSPH Series Commercial Pump | 38917-0203 Inlets & SkimmersThe 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

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

Intelligent robotic pool cleaner

and leaves no residue• Crystal clear formula—no cloudiness or buildup• Designed for all spa

Buttress threads engage differently from standard pipe threads — they are designed to resist the axial forces exerted by pressurized water against the tank wall

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

Lasts up to one month

Pentair Large Concrete Niche 1" Rear Conduit Hub

Smith) Flanged Motor - Up Rated - 2-1/2 HP

⚠️ Compatibility Note

and flush with your pool deck

cross-reference the part number molded or stamped on your existing lid against R172385

The SPX1084R is the round version