11 Apparatus for water supply and sanitary purposes; kitchen and bathroom products; toilets, cisterns and bidets; shower systems and installations; showers, shower bases, shower recesses, shower screens, shower doors, shower frames, shower walls, shower modules, moulded shower recesses, walls and bases; baths, spa baths and bath installations and cubicles; vanity basins; tubs; sinks; shower system accessories; tapware, including taps; shower heads; plumbing and builders hardware in this class including watertaps and washers; metal taps (not being parts of machines or motors); water pipes in this class; water closets and water flushing installations; bath plumbing fixtures and bath fittings; heating apparatus and heaters, and accessories therefor