Selector valve, especially a central control valve for a water treatment device

A central control valve arrangement for a water treatment system including a water container with a filter for the conversion of hard water into soft water and a regenerating means container for regenerating the filter, the central control valve comprising:

• two four-way ball valves each having a ball-shaped valve body, each valve body having at least one L-shaped borehole, valve body actuation means operatively connected with each of the valve bodies for independently turning the respective valve bodies, wherein the central control valve can be set in several different positions, for causing in at least one first valve position the removal of soft water from the water container, for causing in a second valve position the introduction of regenerating means into the water container for regeneration of the filter, and for causing in a third valve position the rinsing of the water container after the regeneration of the filter with draining of the rinse water into a drain channel, wherein each ball valve includes four connections, of which one is a drain channel connection, and that at least the drain channel connection has a reduced cross section in comparison to the other connections.