Hayward Northstar/Super II Wear Ring (SPX3021R) miscvalves or when the supported installation

or when the supported installation depends on this exact thread-and-barb combination

replacing a motor

Durable material

The swirl directional format gives this Waterway internal a more specialized user-facing output profile

Replacement is often recommended when the original gaskets are flattened

Hayward Northstar/Super II Wear Ring (SPX3021R) miscvalves or when the supported installationA worn wear ring can reduce pump efficiency by allowing excess clearance around the impeller. This replacement wear ring is made for compatible Hayward NorthStar and Super II pumps to help restore proper hydraulic performance. Fits select NorthStar and Super II pump models Helps maintain correct impeller clearance Useful during pump rebuilds and seal plate service Can improve flow efficiency when the original ring is worn Important replacement for