Bath tubs and shower trays; shower enclosures; heating apparatus, electric heating apparatus, heating installations, in particular floor heating apparatus; ventilating and air-conditioning installations, parts for ventilating and air-conditioning installations, namely ventilating apparatus and fans, air cooling apparatus, air filtering installations, filters for air conditioning, sanitary apparatus and installations, toilets, bidets, urinals, toilet seats, flushing apparatus, flushing tanks, washbasins; water taps, water conduit installations, mixer taps for water pipes, water supply installations, water distribution installations, water purification installations, water intake apparatus, cooling installations for water; whirlpool tubs and basins, whirlpool baths; valves being parts of heating and sanitary installations; control and safety accessories for water and gas apparatus and pipes.;