Mounting plate and kit to provide water resistance for a dispenser

An apparatus adapted for use with a dispenser to render the dispenser water resistant is provided. The dispenser for which it is provided has a housing including a compartment formed therein, an exit port, and a back housing portion including at least one aperture therein. The apparatus comprises a mounting plate configured to be mounted to a vertical surface. The mounting plate includes at least one rotational key extending therefrom. When at least a portion of the back housing portion of the dispenser is positioned against the mounting plate, the key is positioned to extend through the aperture in the back housing portion. The dispenser is releasably coupled against the mounting plate when the key is rotated such that it is not aligned with the aperture through which it extends, thereby holding the housing against the mounting plate. A kit may be provided which includes the mounting plate. A system including the mounting plate and a dispenser may be provided.