Water supply equipment and sanitary installations being plumbing fittings in the nature of valves; thermostatic mixing valves being part of sanitary installations; manually and automatically controlled plumbing fittings for water inlets and outlets in the nature of valves; taps for washstands, bidets, and sink units; taps for bath tubs and showers; shower installations primarily comprised of showers, overhead showers, lateral-jet showers, and hand held showers, and also including shower bars ...