An apparatus for adapting the reservoir of a counter top beverage maker to a water line, comprises a mounting plate for engaging an outer wall of a reservoir, a connector extending from an inside wall of the reservoir, through the reservoir wall, and connecting to the mounting plate, a valve retained on the mounting plate, and a fluid passageway for communicating fluid from the outlet of the valve, through the connector, and into the reservoir. The valve includes an inlet, an outlet, and a fluid passageway allowing for the control of water into the reservoir.