Apparatus for lighting, heating, refrigerating, drying, ventilating, water supply and sanitary purposes, including for the kitchen and bathroom; sanitary fittings, fittings for water supply, water heating, bath, shower, washing, rinsing, bidet and toilet installations; hot/cold water mixer fittings; digital fittings; contact-controlled fittings; water run-off and overflow fittings; taps for washstands, tubs, showers and bidets; showers, hand showers and overhead showers, shower fittings, massage showers, showers, spray nozzles and spray heads; shower heads and rain shower heads; handheld bidets; holders, tubes and tube connections for the aforesaid showers; shower columns, complete shower cubicles, including the aforesaid water supply and sanitary fittings being thermostat and/or non-contact controlled fittings; filters for preventing impurities in water; water filtering apparatus; water purification installations; water purifying apparatus and machines; water filtering cartridges; faucet mounted water filtration units; shower mounted water filtration units; countertop water filtration units; kettles; taps for sink units; water mixers; blending valves, control valves, shutter valves, water intakes and outlets; water softening apparatus and installations; water filters and drinking water filters; water filtering apparatus and drinking water filtering apparatus and installations; water purification installations; water purification apparatus and installations for generating purified drinking water; water intake apparatus and drinking water intake apparatus; water dispensers for chilled and non-chilled drinking water; drinking water dispensers for connecting to water pipes, for the optional dispensing of purified drinking water from water feed pipes by means of filter inserts and/or connections for apparatus for transmitting ultraviolet light; fittings with water filtering functions being fixtures for connecting drinking water networks and heating water networks with heating water protective filters; appliances and apparatus for washing body cavities, equipment, apparatus and installations composed thereof for water feed lines, water drainage, water supply, providing of water, water distribution, water withdrawal and water heating of drinking water and service water; water supply and drainage fittings and valves for kitchen and bathroom; energy and water conservation fittings and valves for connecting to water conduit installations and for sanitary installations, water self-close fittings; control and self-closing valves for water pipes and sanitary installations; shower partitions; shower seat;, wash fountains; water closet cisterns; flushing valves for toilet; flushing valves for urinals; rinsing systems for urinals; parts and accessories for all the aforesaid goods