Pentair Non-Corrosive Slide Valve O-Ring Kit (273109) glipool Old style square adjusting collar

Old style square adjusting collar for select Hayward skimmers

or no longer providing predictable flow control

Skimmer baskets are useful because they help intercept leaves

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

This style is a solid choice when you want a straightforward

Pentair Non-Corrosive Slide Valve O-Ring Kit (273109) glipool Old style square adjusting collarBackwash 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