Hydro Quip PCB Spa Control System Ultimate+ Circuit Board [240V] [Rev 8] [10 Key] (33 0025A R8) cleaners Diverter and cover repair kit Diverter and cover repair kit for compatible Jacuzzi DV4 valve applications This Hydro Quip item is associated with Heater Parts and is selected for heater service repair when the existing part no longer performs as expected or when a system rebuild requires a correctly matched component The Hydro Quip Ultimate Plus circuit board is designed for compatible 240 volt spa control applications where the main board needs replacement in the Rev 8 A circuit board is useful because it forms the central control backbone of the system