The Quooker Mounting Bracket PRO7 and Combi. The Quooker MB7 water tank bracket in stainless steel is designed to store your Quooker PRO7 and Combi boiling water storage tank. This Quooker mounting bracket is especially useful for fitting tanks in to kitchens with under-sink drawer units, as the tank can be fixed to the wall of the unit rather than standing on the base. It is fixed and fits beneath your kitchen sink, on the side of the cupboard wall, this strong and sturdy mounting bracket helps to keep everything neat and tidy beneath the sink. This bracket will ensure tanks can be stored in an upright position.