US Patent 8950426 Water discharge device

There is disclosed a water discharge device that has a water flow path that extends from an inlet through an outlet chamber to an outlet spout; a valve assembly for opening and closing the water flow path; a heating element for heating the outlet chamber and spout to evaporate moisture on internal surfaces of the outlet chamber and spout when the flow path is closed by the valve assembly, the heating element being remote from the flow path; and a controller for controlling operation of the valve assembly and the heating element, the controller including a switch that is operated directly or indirectly by a user to control the opening of the water flow path.