Pentair Rainbow High Square Foot/Auto Feeder Cap Wrench (R172052) aquachek or discovered during filter teardown

or discovered during filter teardown

This drain cap with gasket is intended for older Hayward Pro Series sand filters built before the 2005 design change

Using the correct Waterway gray replacement helps restore the assembly more cleanly than forcing a mismatched part into place

Designed for service professionals and qualified equipment repair

Pentair Rainbow High Square Foot/Auto Feeder Cap Wrench (R172052) aquachek or discovered during filter teardownFor focused maintenance, this wrench helps restore the working fit of compatible Auto Feeder equipment. It supports controlled sanitizer delivery by helping the feeder body, tube path, cap area, or service connection stay secure during normal pool operation. It is built for the kind of small but important maintenance point that can affect sealing, flow control, service access, or cleaner movement. Fits compatible Auto Feeder equipment applications