Hayward Swimclear/Pro-Grid Air Relief O-Ring [Qty-2] (DEX2420Z8A) andersonmfg A manual reset hi-limit sensor

A manual reset hi-limit sensor is useful because it requires a deliberate reset after a high-limit event

Compression nuts are useful because they help secure related tubing and feeder fittings

The white deluxe scallop face also keeps the finished look crisp and polished

Supports cleaner and more dependable through-wall plumbing connection

Pump go-kits help support faster rebuilds for popular Dura Glas and Maxi Glas pump systems

Hayward Swimclear/Pro-Grid Air Relief O-Ring [Qty-2] (DEX2420Z8A) andersonmfg A manual reset hi-limit sensorThe 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