11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
devices and accessories for use with liquid and gas plumbing, namely, valves, y-strainers, fittings, polymeric pipe unions, stops, air purgers, air vents, backflow preventors, screens, drains, bibs, sillcocks, valve locks, valve stops, valve stem extensions, valve handles, faucets, polymeric pipe couplings, and anti-sealed fittings; gas burner bars for commercial and residential use; washing machine valves, fluid floats for industrial cooling towers and agricultural water troughs and containers and evaporator cooler valves; and hydronic heating and cooling systems comprised of manifolds, manifold accessories, wet and dry system flooring panels, piping valves, fittings, gauges, controls, hydronic mechanical panels, pumps, air separators, backflow preventers and expansion tanks for distributed water heating and cooling systems, sold as a unit
17
Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes; plastics in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, not of metal.
pipe unions and couplings, namely non-metal pip unions and non-metal pipe couplings