A fluid control valve adapted to be positioned behind a wall or other surface having an access opening for gaining access to the valve, wherein a cover plate is secured against the surface in covering relationship to the access opening to conceal the opening and the valve. A mounting bracket is affixed to the valve, and has a pair of wings projecting from opposite sides of the valve. Threaded openings are formed in the wings for receiving threaded fasteners extended through the cover plate and access opening to hold the cover plate against the surface. A sealing ring is positioned between the cover plate and wall to seal the cover plate relative to the surface.