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

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

Supports cleaner and more dependable operation

This style is a solid choice when you want a straightforward

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