Maytronics Dolphin Diagnostic 2010 Power Supply Timer (9995672 US ASSY) airswitches This Hydro Quip item is associated This Hydro Quip item is associated with Fittings & Valves: Other and is selected for pool and spa service when the existing part no longer performs as expected or when a system rebuild requires a correctly matched component Supports 1 1 2 inch slip or 2 inch spigot connection styles That helps keep the restoration complete and aligned with the intended equipment setup A properly selected Maytronics power supply and timer assembly helps support dependable cleaner function and cleaner user control over operating cycles