Pentair Square Ring Closure O-Ring 8-1/2" | Triton C-3 Sand Filter & Challenger Pump | 152509Z PCCF150 cross-reference the part number printed

cross-reference the part number printed on the transformer body itself against 520722 to confirm fitment

This replacement includes the fastening screw for a complete

and non-living organic waste

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Hayward Inlet Fitting for Fiberglass Pools - 1-1/2" (Dark Gray) - #SP1023DGR

Pentair Square Ring Closure O-Ring 8-1/2" | Triton C-3 Sand Filter & Challenger Pump | 152509Z PCCF150 cross-reference the part number printedThe Pentair Square Ring Closure (152509Z) is the OEM replacement closure O ring for the Pentair Triton C 3 Sand Filter and Challenger High Flow Pump lines. This single square profile ring seals the filter or pump closure, preventing bypass and pressure loss at the tank or pump lid junction. IMPORTANT: FILTER MANUFACTURING DATE TWO VARIANTS EXIST This square ring is confirmed for Triton C 3 Sand Filters manufactured before March 1997 and after March