Hammerhead Head Wheel Set [21"/30" Vacuum, Small, 4 Pack] (HH1156) acuraspas and system communication is essential

and system communication is essential to achieving consistent performance

This digital topside is a practical OEM replacement for compatible Aqua Logic systems that need a refreshed interface and dependable control access

That can help the final repair feel more application-correct and more visually consistent once the topside is installed

or equipment communication is required

Improves temperature confidence and overall spa readiness

Hammerhead Head Wheel Set [21"/30" Vacuum, Small, 4 Pack] (HH1156) acuraspas and system communication is essentialThe Hammerhead HH1156 head wheel set is designed for compatible 21 inch and 30 inch vacuum applications and includes four small wheels. A set like this is useful because it provides a convenient replacement group for the smaller vacuum head wheels when multiple worn parts need to be renewed at the same time. Small wheels can wear gradually and affect how the vacuum head tracks, turns, or rolls across the cleaning surface. Replacing them as a pack can