For the installation of the kit with stretch hose for the (kitchen) cabinet, the required space must be taken into account. It is also important that the pipe to which the box is connected is placed in the right place. Preferably, this is when the pipe comes out of the wall just below the countertop (approx. 70-85cm), which is a good height to connect it later. When the pipe comes up from the floor, it is important that it is as far as possible against the rear wall. View the full answer