Hayward Strainer Cover O-Ring | SPX3000SV Pool Filter Cartridges the retainer hardware may be

the retainer hardware may be the actual problem

low-profile look while the engineered fit ensures reliable coverage for deck jet configurations

reducing the risk of downtime during peak seasons

The Napoleon NEFTK3040 Four or Three Piece Trim Kit

Hayward Strainer Cover O-Ring | SPX3000SV Pool Filter Cartridges the retainer hardware may beWhat This Part Is Used For The Hayward SPX3000SV is a strainer cover O ring used to seal the pump lid to the strainer housing on compatible Hayward pumps. It sits in the lid groove and prevents air and water leaks during operation. This O ring is a routine maintenance item. Why This Part Matters A dry, flattened, or nicked O ring lets air into the pump and can cause loss of prime. That shows up as bubbles in the pump basket and weak return flow.