Waterway Clearwater Union Collar Gasket [2001 & Prior] [5-5/8" ID, 7-1/8" OD] (711-1920) reducers This kind of upgrade is

This kind of upgrade is often chosen when the original valve is sticking

Useful for repair and retrofit work

and the 4-pin connector format

and this generic version is supplied in a 25 foot length with a 1 inch size using the 89-575-1008 reference

or being replaced as part of a full drain rebuild

Waterway Clearwater Union Collar Gasket [2001 & Prior] [5-5/8" ID, 7-1/8" OD] (711-1920) reducers This kind of upgrade isThe Waterway 711 1920 Clearwater union collar gasket is designed for compatible 2001 and prior Clearwater applications and features a 5 5 8 inch inside diameter and 7 1 8 inch outside diameter. A gasket like this is useful because it helps restore the seal at the union collar while matching the earlier version of the assembly. Older systems often need parts that match their original dimensional profile closely, and using the correct Waterway gasket