Jacuzzi H136 Analog 1-Pump PCB with Phone Plug (51424) aquasun A volute like this is

A volute like this is useful because it forms the chamber around the impeller and helps direct water through the pump

Order by part number R121126 to help ensure the correct match

Supports cleaner and more dependable overall operation

more complete control access

Improves water-care convenience and treatment confidence

Jacuzzi H136 Analog 1-Pump PCB with Phone Plug (51424) aquasun A volute like this isJacuzzi H136 Analog 1 Pump PCB with Phone Plug (51424) is a replacement printed circuit board for compatible Jacuzzi or Sundance spa control systems. The circuit board manages key spa functions and must be matched carefully to the original system configuration, including pump count, voltage, model family, production range, and any circulation pump requirements. Use this board when a qualified technician has diagnosed a failed control board or when