11 Apparatus for heating, steam-generating, refrigerating, drying, ventilating, water supply and sanitary purposes, water heating installations, solar installations, included in class 11 water treatment installations, mixing valves, water supply and water outlet fittings with manual and automatic controls; taps for washstands, bidets and sinks, taps for tubs and showers; showers and shower cubicles; showers and shower fittings, shower combinations, shower heads, lateral-jet showers, sanitary flexible tubes, spray nozzles and shower holders; shower systems, mainly consisting of shower heads, lateral-jet showers, sanitary flexible tubes, spray nozzles, shower holders; preassembled multifunction showers; shower sets with attachments; intake and outlet fittings for sanitary basins, washstands, sinks, bidets, bath tubs and shower trays; drain traps, intake and outlet pipes; light fixtures; parts of the aforesaid goods; the aforesaid goods, except panels.