11 Manually operated plumbing valves for use in fluid control, namely, backflow prevention valves, double check valve assemblies, double check detector assemblies, reduced pressure assemblies and reduced pressure detector assemblies, relief valves, radiator traps, vacuum breakers, shutoff valves, ball valves, purge and balance valves, irrigation valves, gate valves, check valves, low-pressure valves, globe valves, shower valves, washing machine valves, supply valves, and float valves; steam valves; plumbing fittings, namely, flow checks and trap primers; metal corrugated risers in the nature of plumbing fittings, namely, faucet risers, toilet risers, and supply valves; pipe outlet adapters and fittings for plumbing use; pipe inlet adapters and fittings for plumbing use; plumbing fittings, namely, bibs, cocks, traps, valves, and strainers; toilet tank balls; faucets; basin drains and funnels in the nature of plumbing draining devices; plumbing supplies, namely, connectors, fittings and clamps for basins, lavatories, showers, toilets, disposals, washing machines, and icemakers; plumbing supplies and specialties, namely, basin lavatory legs; portable showers and add-on shower plumbing units; shower stall strainers; shower drain grids; shower diverter bath cocks; diverter spouts; lavatory drains; plumbing risers; toilet flush valves; flush tank lever arms; basket strainers, namely, sink strainers; sink strainer assemblies; sink strainer baskets; water plumbing supplies, namely, stop and shutoff valves, supply valves, icemaker connector boxes and tubing sold therewith; plumbing, heating and solar equipment, namely, ball valves, butterfly valves, gate valves, globe valves, check valves and tempering valves, pressure reducing and sustaining valves, pressure relief and sustaining valves, back pressure valves, backflow prevention devices consisting of valves, vacuum breakers, test cocks, caps and tethers, spools, flanges, and air gaps for separating discharged water from potable water; hydronic heaters; trap primers; purge and balance valves; water supply valves; self-closing timed faucets or metering faucets; thermostatically controlled valves for mixing hot and cold water to provide tempered water for heating and sanitary applications; bathtub drain valves; plumbing fittings, namely, dual check valve backflow preventers for water flow control application; anti-scald valves for showers, baths and sinks; pressure-balancing shower valves; valves used to automatically fill and top off water in individual central heating system radiators, sold as a component part of radiators; valves used to automatically vent unwanted air from individual central heating system radiators, sold as a component part of radiators; manifold tempering systems to temper hot water throughout buildings, consisting of thermostatic mixing valves, water tempering valves, water circulators, strainers, thermal activators, pressure-reducing valves, pressure gauges, check stops, thermometers, shutoff valves, and interconnecting piping; steam traps; radiator valves; steam trap replacement kits consisting of valve seats, seat adapters, and actuating capsules; stop valves, pipe plugs, kitchen and bathroom faucets and replacement parts therefor; sill cocks; gas cocks; boiler drain cocks; sink and urinal strainers; pipe and sink traps; drains, drain fittings, floor drains, plumbing fixture rods, loops, flanges, interceptors, access covers for drains and pipes, swimming pool drains, backwater valves, hydrants, water hammer arresters, and plumbing valves; automatic hot water recirculation pumps; drains and trims for baths and garbage disposal rims; water filtration units and water purification units; installation kits for single and double bowl kitchen sinks, consisting of a sink drain, pipes, tubes, valves and fittings; installation kits for toilets, consisting of a valve, tube, fittings and fasteners; plumbing fittings, namely, wall surface hatch allowing access behind the wall; sinks; water treatment units, namely, reverse-osmosis units, filtration units, ultraviolet sterilization units, in-line water filters, and water pumps for water treatment and filtration units; water treatment kits consisting primarily of water storage tanks, water filters and filter adapters, membranes, flow restrictors, ultraviolet light bulbs, and filter wrenches; water disinfection kits consisting of ultraviolet modules and power sources, water pressure testers, water pressure regulators, air pressure gauges, and chemical water test and treatment kits, all for domestic, industrial and commercial use; faucets, namely, air and non-air gap faucets; hot water heaters and tankless hot water heaters; electric heating mats for floors; in-floor and under-floor heating composed of mats, heating elements, sensors and monitors; multilayered composite tubing for hydronic heating systems; composite metal and nonmetal tubing for radiant heat units for snow melting, turf warming, rootzone heating, and permafrost protection; floor sinks; shower arms; faucet hold covers; sink traps; bath drains; bath overflow valves; bath drain trim; bath drain conversion kits consisting of a bath strainer assembly comprising bushing and face plate; faucets; quarter-turn water supply stop valves; shower controls, mixers, fittings, and valves; control valves for controlling fluids and gases, for heating and air conditioning systems, and for water heaters and industrial processes, namely, commercial plumbing, municipal waterworks, fire protection, irrigation, aviation fueling, theme parks, decorative fountains, reclaimed water, and original equipment manufacturing; bath drains; sink strainer assemblies, and sink strainer inserts and baskets