Pentair Non-Corrosive Slide Valve O-Ring Kit (273109) glipool or no longer providing predictable

or no longer providing predictable flow control

Old style square adjusting collar for select Hayward skimmers

This style is a solid choice when you want a straightforward

The reference-based match gives this cartridge practical value because accurate filter service depends on choosing the cartridge family associated with the original housing

Useful for more controlled and efficient service work

Pentair Non-Corrosive Slide Valve O-Ring Kit (273109) glipool or no longer providing predictableBackwash 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