Pentair Rainbow 322 Automatic Feeder Old Style Control Valve (R172022) marquisspas a worn shaft seal is

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

Useful when replacing worn or missing filter hardware

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

When a grid becomes torn

The CMP generic Sta-Rite DuraGlas 5 inch trap lid is designed for compatible trap and strainer applications where the lid needs replacement

Pentair Rainbow 322 Automatic Feeder Old Style Control Valve (R172022) marquisspas a worn shaft seal isThis 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