Pentair 90° Spring Check Valve Spring 1 lb (72523) relayscontactors Helps restore both directional comfort

Helps restore both directional comfort and visible trim quality

Its 4-15/16 inch diameter and 13-5/16 inch length provide a compact but efficient design for housings that depend on these precise measurements

Filter cartridge for compatible applications using FC-1003

The Hayward Star-Clear filter gasket is designed for compatible filter applications where dependable sealing is needed at a key assembly point

Pentair 90° Spring Check Valve Spring 1 lb (72523) relayscontactors Helps restore both directional comfortPentair 90 Spring Check Valve Spring 1 lb (72523) is a genuine Pentair replacement spring used in compatible 90 spring check valve assemblies. The spring helps the check valve open and close as intended, supporting proper directional flow and helping reduce unwanted backflow in pool and spa plumbing systems. If the original spring is weak, damaged, corroded, or missing, replacing it can help restore valve function without requiring a complete valve