Heat pipes to cool heat producing components; Heating systems composed primarily of tubes, pipes and pre-assembled manifolds through which cold or low temperature water circulates; 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; Heating systems for residential and commercial buildings comprised of boilers, valves, pipes, manifolds, control panel switches, and electrical wire, all sold as a unit; Manually-operated plumbing valves; Pipes for heating boilers; Plumbing fitting, namely, vacuum release safety valve for flow shutoff in pools and spas; Plumbing fittings, namely, baffles; Plumbing fittings, namely, drains; Plumbing fittings, namely, fresh water fills for recreational vehicles; Plumbing fittings, namely, shower control valves; Plumbing fittings, namely, tub control valves; Plumbing fittings, namely, valves; Plumbing fittings, namely, bibbs; Plumbing fittings, namely, cocks; Plumbing fittings, namely, traps; Valves as part of radiators