Pentair 90° Spring Check Valve Spring 1 lb (72523) cleaners The Hayward heat exchanger is

The Hayward heat exchanger is designed for compatible H200FD heater applications where dependable heat transfer is needed to restore proper warming performance

That kind of accuracy is what gives the final repair a more complete and dependable feel

and steadier overall behavior

It is a practical option when restoring dependable spa heating in a compatible HQ-based setup is the primary service objective

Replacing it with the correct momentary format can help restore more consistent system behavior

Pentair 90° Spring Check Valve Spring 1 lb (72523) cleaners The Hayward heat exchanger isPentair 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