Waterway Check Valve Lock Ring (718-7021-CPVC) gruber As a key internal component

As a key internal component

This replacement is especially useful when the original tailpiece is damaged

This American/Pentair CLN/CLR 50 Center Core (59053500) is engineered for cfr filters & parts applications

Proper matching matters because diverter systems depend on internal parts that preserve the valve’s original flow path and operating feel

Waterway Check Valve Lock Ring (718-7021-CPVC) gruber As a key internal componentThe Waterway 718 7021 CPVC lock ring is designed for compatible Waterway check valve applications. A lock ring like this is an important service component because it helps secure the valve assembly properly and contributes to the structural completeness of the connection. When a lock ring becomes cracked, stripped, or missing, the check valve may no longer feel as reliable or serviceable as it should. Replacing the worn hardware with the correct