Waterway Clearwater Union Collar Gasket [2001 & Prior] [5-5/8" ID, 7-1/8" OD] (711-1920) reducers and this generic version is

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

Air controls may be small

the work can become less precise than it should be

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

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 and this generic version 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