Pentair IntelliChem Replacement pH Sensor (522186Z) wcooper An O-ring like this is

An O-ring like this is useful because it helps maintain a cleaner seal between joined components

union size

and Cool layout supports intended control access

or boundary-related setups where a dependable mounting point matters

The 34-720A is a practical service part when a compatible plumbing setup needs a pressure vacuum breaker assembly to restore dependable protection and stable operating performance

Pentair IntelliChem Replacement pH Sensor (522186Z) wcooper An O-ring like this isWhen a pool system needs targeted maintenance, Pentair IntelliChem Replacement pH Sensor (522186Z) gives technicians and homeowners a specific replacement path. This sensor supports IntelliChem pH monitoring so the controller can respond to water balance changes with more dependable feedback. It is especially useful for chemical automation and feeder systems where sensor accuracy, controlled dosing, and dependable water balance feedback matter..