Balboa AX40 Overlay [Aux/Black] (17688) spapumps and SherLok compatibility together with

and SherLok compatibility together with the 2 inch relationship give this tank body its practical value because structural filter parts work best when they match the original size and assembly relationship closely

This kit is a practical service option for compatible Hayward Vari-Flo valves that need renewed sealing support and cleaner long-term operation

Helps restore proper sensing-bulb positioning support

A skimmer weir helps regulate surface-water entry into a compatible skimmer so floating debris can be drawn in more effectively

Supports cleaner and more dependable water-feature performance

Balboa AX40 Overlay [Aux/Black] (17688) spapumps and SherLok compatibility together withThe Balboa AX40 overlay is designed for compatible auxiliary topside applications where the original graphic control layer needs replacement. An overlay is useful because it helps identify button functions clearly while restoring the finished appearance of the topside panel, supporting easier and more intuitive operation. This replacement is especially useful when the original overlay is faded, peeling, cracked, or no longer legible. Matching the