Zodiac Jandy Pro Series Top Valve Assy (R0443900) switches and part number 77707-0253 against

and part number 77707-0253 against the existing equipment

Matching the 522186Z part number helps reduce installation issues and keeps the repair focused on the component that actually needs attention

Includes ESC configuration

This Waterway replacement is especially practical when the original Flo Pro front access weir needs to be renewed with a direct gray replacement that preserves the intended look and function

or no longer feels trustworthy

Zodiac Jandy Pro Series Top Valve Assy (R0443900) switches and part number 77707-0253 againstWhen a pool system is down, the smallest service part can be the difference between a quick fix and repeated callbacks. Choose the Top Valve Assy (R0443900) when the repair calls for an original style component rather than a workaround. It is useful when the valve top is worn, difficult to operate, or no longer sealing cleanly across selected positions. Valve components help control direction, isolation, bypass, and service access throughout the pool