Pentair 90° Spring Check Valve Spring 1 lb (72523) cleaners supporting dependable assembly fit and

supporting dependable assembly fit and more reliable system performance

helping simplify routine service tasks

A directional jet internal has a direct effect on how focused and satisfying a seat feels

The 23452-712-900 is a practical service part when a compatible Typhoon 500 jet needs an internal to restore dependable massage-jet performance

Pentair 90° Spring Check Valve Spring 1 lb (72523) cleaners supporting dependable assembly fit andPentair 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