Zodiac Jandy CS Series O-Ring Kit (R0466300) stenner Lock rings are useful because

Lock rings are useful because they help keep the diffuser properly positioned and supported within the wet-end assembly

this Waterway anti-vortex grate cover is a practical replacement when the original 8 inch round white cover needs renewal

This type of replacement is often the cleanest path when the rest of the system is still serviceable but one component has reached the end of its useful life

Designed for compatible temperature-monitoring heater applications

Zodiac Jandy CS Series O-Ring Kit (R0466300) stenner Lock rings are useful becauseDesigned for compatible Jandy CS Series O Ring Kit applications, this replacement sealing component helps restore a tight, dependable fit where water pressure and repeated service can wear down older rubber parts. O rings are small pieces, but they often determine whether a filter, valve, or plumbing connection runs cleanly or develops slow leaks after reassembly. Replacing the worn seal with the correct part number R0466300 can help protect nearby