Pentair Rainbow 322 Automatic Feeder Old Style Control Valve (R172022) marquisspas This version is especially useful

This version is especially useful when the original L7 slave bulb has failed

The value of a board-specific replacement is that it keeps the system aligned with the BP501G1 platform it was designed around

a worn shaft seal is often one of the parts inspected during service

and Balboa 4-Button VL406T Topside Panel Overlay (11947) helps support that by keeping your system working the way it should

Pentair Rainbow 322 Automatic Feeder Old Style Control Valve (R172022) marquisspas This version is especially usefulThis old style control valve is made for compatible Pentair Rainbow 322 automatic feeder systems that require the earlier valve configuration. The control valve is central to chemical output because it allows the feeder rate to be adjusted to match pool demand. When the original valve leaks, binds, or no longer responds smoothly, chemical levels can become harder to manage. Replacing it helps restore more predictable feeder operation while preserving