Pentair Old Style Chlorine Control Valve | Rainbow Chemical Feeder Models 300, 302, 300-19, 300-29 | R172022 Tubing or debris before reinstalling

or debris before reinstalling

For use in a full pool

Replacing this O-ring restores a proper housing seal

The 145-pleat Reemay 2033 media provides an optimal balance of filtration surface area and flow rate for residential spa applications

Pentair Old Style Chlorine Control Valve | Rainbow Chemical Feeder Models 300, 302, 300-19, 300-29 | R172022 Tubing or debris before reinstallingOEM Replacement Chlorine Control Valve for Pentair Rainbow Automatic Chemical Feeders The Pentair R172022 is the OEM replacement old style chlorine control valve for the Pentair Rainbow Automatic Chemical Feeder, compatible with Models 300, 302, 300 19, and 300 29. What It Does The chlorine control valve regulates the flow of chlorinated water through the automatic chemical feeder, allowing you to adjust sanitizer output to match your pool's demand.