Hayward Swimclear/Pro-Grid Air Relief O-Ring [Qty-2] (DEX2420Z8A) carvinjacuzzi Improves both hydrotherapy feel and

Improves both hydrotherapy feel and visible seat quality

A part like this is useful because it restores the finished visible edge around the skimmer opening

The CMP top-mount multiport sand valve lid assembly is designed for compatible 1-1/2 inch FPT valve applications where the supported lid section needs replacement

Matching those core specifications helps preserve proper compatibility and makes the replacement process far more straightforward

An OEM-style replacement is especially practical when preserving the original fit of the basket inside the housing matters

Hayward Swimclear/Pro-Grid Air Relief O-Ring [Qty-2] (DEX2420Z8A) carvinjacuzzi Improves both hydrotherapy feel andThe Hayward air relief O ring set is designed for compatible SwimClear and Pro Grid filter applications where the air relief assembly needs dependable sealing. O rings like these are useful because they help maintain a cleaner seal at the air relief point, supporting more reliable filter serviceability and operation. This quantity two replacement is especially useful when the original O rings are flattened, brittle, cracked, or leaking. Replacing them