11 Air valves for steam heating installations; Flushometer valves; Heating systems for residential and commercial buildings comprised of biomass burners, boilers, valves, pipes, manifolds, solar panels, control panels, switches and electrical wire, all sold as a unit; Manually-operated plumbing valves; Plumbing fittings, namely, bibbs; Plumbing fittings, namely, shower control valves; Plumbing fittings, namely, spouts; Plumbing fittings, namely, traps; Plumbing fittings, namely, tub control valves; Plumbing fittings, namely, valves; Shower mixing valves; Showerheads and components thereof; Thermostatic mixing valves; Thermostatic valves; Valves as part of radiators