Polaris Zodiac Caretaker Valve Clamp Ring (3-9-216) lascofittings Cross-referenced cartridges are useful because

Cross-referenced cartridges are useful because they make it easier to confirm a correct replacement when matching an existing filter with different numbering

The CMP 8 inch Galaxy main drain cover is designed for compatible drain applications where a replacement cover with included screw kit is needed

or missing from a compatible repair assembly

A grouped replacement like this is especially useful when the weakness is spread across more than one internal performance component

Polaris Zodiac Caretaker Valve Clamp Ring (3-9-216) lascofittings Cross-referenced cartridges are useful becausePolaris Zodiac Clamp Ring [Caretaker Valve] is a replacement part for compatible Polaris and Zodiac pool cleaner systems. This component helps secure the valve assembly so related components stay aligned during operation and service. When small cleaner parts wear out, even minor fit or movement issues can reduce cleaning coverage, create leaks, or cause the cleaner to move less reliably. Use part number 3 9 216 to help match this item to the correct