Waterway 400-2070 Drain ValveThe Waterway 400 2070 is a 3 4" slip x garden hose drain valve, functioning as an on off valve for controlling water flow in spa and pool applications. It is designed to connect easily via a 3 4" slip fitting to a garden hose, facilitating efficient drainage. This part can effectively replace or work with systems such as the Dynasty Spa drain models, including 10037 or DYN10037.