Waterway Check Valve Lock Ring (718-7021-CPVC) gruber or bath heating systems

or bath heating systems

and this Jacuzzi Wear Ring is designed for compatible pumps in the 4

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

Raypak 206A burner spacer

or when the O-ring no longer seals correctly

Waterway Check Valve Lock Ring (718-7021-CPVC) gruber or bath heating systemsThe 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