Pentair Valve Spring Washer | 271160Z PCCF100 this cartridge replaces the outer

this cartridge replaces the outer filter

Before reinstalling or fitting the new tank seal

The AquaLumin III's nicheless design is purpose-built for vinyl liner pools where cutting a full niche pocket is not practical

⚠️ IMPORTANT: NORDIC HOT TUBS COMPATIBILITY

Replace the O-ring at the first sign of wear — confirm the correct O-ring size against your pump's parts diagram before ordering a replacement

Pentair Valve Spring Washer | 271160Z PCCF100 this cartridge replaces the outerThe Pentair Valve Spring Washer (271160Z) is the OEM replacement washer for the valve spring assembly in Pentair multiport valves. This washer seats against the valve spring within the multiport valve assembly, maintaining correct spring tension and ensuring consistent rotor positioning across all valve port selections. A damaged or deformed washer can allow the spring to seat unevenly, resulting in port misalignment or internal bypass between valve