Apparatus and installations for heating, air-conditioning, water supply and sanitary installations; sanitary plumbing components for water distribution in the form of pipes, hoses, fittings forming part of sink, washbasin, shower or bathtub faucets and in particular faucet aerators, faucet aerator tips, adapters for faucet aerators, faucet thread adapters, connecting pipes and hoses, protective caps for faucet connecting hoses, pipe and hose fittings, collectors, valves, filters, flow regulators, backflow prevention devices, diverters, plumbing clips and fasteners; tap cartridge adapters; aerators [tapware]; tap swirls, faucet bubbler; flow rate regulators; check valves, non-return device, non-return valves; diverters [plumbing components]; connecting pipes; shower hoses; flexible hoses for pull-out kitchen-sink sprayer; pipes for connecting the pull-out kitchen-sink sprayer hose; pipes for sanitary, climate-control, irrigation and heating installations; flexible pipes and pipe connectors being parts of plumbing installations, particularly faucets, sinks, wash-hand basins, bath tubs, showers, toilets/water closets and plumbing for household and commercial appliances; drip-proof hoses [faucet components]; pull-out kitchen-sink sprayer; valves [parts of sanitary installations]; diverter valves for sanitary installations; start/stop controls [parts of sanitary installations]; hot/cold water mixing valve [parts of sanitary installations]; pressure regulators [parts of sanitary installations], particularly pressure balancing valve; pressure regulator [parts of sanitary installations], particularly pressure limiter; swivel joints [parts of sanitary installations], accessories for faucet spouts, particularly swivel adapters, accessories for shower faucets, namely, swivel adapters, accessories for kitchen faucet pipes, particularly swivel adapters; plumbing connectors, namely, pipe and tube connectors; washers [parts of sanitary installations]; adapters [parts of sanitary installations], plumbing fittings; plumbing accessories, namely filters and strainers; installation tools and kits for aerator installation; end-pieces for faucet aerators, rings for faucet aerators; faucets and fittings; plumbing accessories, namely, bathtub, washbasin, kitchen, shower and bathtub mixers; spouts (plumbing accessories); backflow-prevention safety devices for sanitary installations, in the form of air-gap fittings, vacuum breakers or vents; air knives with injector; shower heads; shower systems; flexible pipes (as components of sanitary installations).;