Apparatus for water supply and sanitary purposes, including for kitchens; sanitary fittings; water inlet and outlet mechanisms, supply and drainage fittings for washing and rinsing installations, wash-hand bowls, wash stands, sinks and basins; mixing taps, sink taps, wall taps; the aforesaid taps with swivelling spouts, pull out taps and water effervescent fittings, connections for drain valves, shut off mechanisms for dish washers and washing machines, hydraulic mixers, control and shut off valves, drainage and overflow fittings; stink traps for the aforesaid fittings; showers and shower heads, brushes and kitchen scrapers, each including couplings for pull out taps, shower hoses, connections and couplings for shower tubes; parts for all the aforesaid goods