Pentair Non-Corrosive Slide Valve O-Ring Kit (273109) glipool A focused replacement like this

A focused replacement like this is especially useful when the surrounding plumbing remains serviceable and the weakness is isolated to the unions themselves

Val-Pak generic Purex center rod

Skimmer baskets are useful because they help intercept leaves

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Pentair Non-Corrosive Slide Valve O-Ring Kit (273109) glipool A focused replacement like thisBackwash and slide valve performance depends heavily on sealing surfaces that remain flexible, properly seated, and resistant to pool water exposure. This non corrosive slide valve O ring kit helps restore leak control and smooth valve operation when original seals become flattened, brittle, or worn from repeated use. Replacement O ring kit for compatible Pentair slide valves Supports better sealing during filter and backwash operation Helps reduce