Hayward KingRay Cleaner Disc (DCX152) acuraspas The Waterway 310-4030 impeller is

The Waterway 310-4030 impeller is designed for compatible 2

supporting more consistent equipment operation without constant manual adjustment

Installed in the proper Serial Standard setup

AquaCal AutoPilot ST-220 fan assembly

1-1/2 inch configuration

Hayward KingRay Cleaner Disc (DCX152) acuraspas The Waterway 310-4030 impeller isThe Hayward KingRay Cleaner Disc helps the cleaner maintain surface contact as it moves across the pool floor and walls. A worn or damaged disc can affect traction, turning, and cleaning coverage, especially when the cleaner begins to hesitate or lose its path. This replacement part is a practical repair choice for restoring dependable movement without replacing the entire cleaner. Use it when servicing compatible KingRay cleaner assemblies or