Hayward Swimclear/Pro-Grid Air Relief O-Ring [Qty-2] (DEX2420Z8A) presairtrol A seal setting tool helps

A seal setting tool helps position compatible seals more evenly during installation

Matching the correct thermoplastic float-valve style helps preserve intended fit and dependable operation

Raypak 130A fuel conversion kit

and part number 56WUA400-I

OEM Hayward skimmer collar

Hayward Swimclear/Pro-Grid Air Relief O-Ring [Qty-2] (DEX2420Z8A) presairtrol A seal setting tool helpsThe 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