Group for mixing water for bathroom or kitchen

A flush-mounted group for mixing water for a bathroom or kitchen, the flush-mounted comprising:

• a body comprising a valve, configured to be installed in a seat having a given depth with respect to a finished surface;
• a fastening member for fixing the body to the seat, adjustable on the body to set the depth to which the body is inset inside the seat;
• a plate mountable on the finished surface so as to enclose the body inside the seat and comprising an opening for accessing the body;
• a control member for operating the valve, connected to the valve through the opening of the plate;
• and
• coupling means for connecting together the valve and the control member, said coupling means being adjustable to vary a distance between the control member and the valve and ensure correct positioning of the control member inside the opening, wherein
• the valve comprises a female threaded connection in a head of the valve, and
• the coupling means comprises a threaded rod engaging with the female threaded connection, the distance between the control member and the valve being variable by screwing or unscrewing the threaded rod into/from the female threaded connection in the head of the valve.