Hayward Strainer Cover O-Ring | SPX2700Z4 Astral Pool Products SR Smith replacement part for

SR Smith replacement part for pool and spa use

Center discharge orientation allows flexible plumbing layouts

accurate measurement

The GLI 20-1836RE-CES48-PRM-GRY in Gray Promesh fabric is precisely sized for an 18 ft × 36 ft pool

Hayward Strainer Cover O-Ring | SPX2700Z4 Astral Pool Products SR Smith replacement part forWhat This Part Is Used For The Hayward SPX2700Z4 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 keeps the suction side airtight so the pump can prime and run steadily. This is a routine maintenance seal. Why This Part Matters A flattened or cracked O ring lets air into the pump and causes bubbles in the pump basket. That can lead to poor priming, weak flow, and