11 Plumbing hardware, namely, pipe couplings, valves; plumbing fixtures and fittings, namely, pipe couplings, valves, bath installations; plumbing components for water or gas supply purposes, namely, valves, plumbing couplings for water or gas supply plumbing purposes; push-fit plumbing coupling fittings for water supply; plumbing fittings for water supply and gas supply purposes, namely, pipe couplings, valves; push to connect plumbing fittings, namely, pipe couplings, valves with push to connect plumbing couplers; push to connect couplings being plumbing couplers; push to connect junctions being plumbing couplers; push to connect connectors being plumbing couplers; push fit fittings being plumbing couplers; push fit junctions being plumbing couplers; push fit connectors being plumbing couplers; push fit couplings being plumbing couplers; valve connectors being plumbing couplers for water supply installations; valve couplings being plumbing couplers for water supply installations; plumbing fittings, namely, valves; manually operated plumbing water control valves; manually-operated plumbing flow control valves; plumbing fittings, namely, valves for use in heating and water systems; pressure regulators for gas and water installations