11 water pumps and flow control valves for pools, spas, whirlpools, wastewater treatment applications, heating, cooling, ventilation, and air conditioning applications, and general domestic, commercial, agricultural, marine, and industrial uses; heating, cooling, ventilation, and air conditioning equipment and components, namely, pumps, valves, sensors, controllers, flow meters, temperature detectors; commercial and domestic air filters, heating and cooling regulators, traps, strainers, compression tanks, air separators, air vents, suction diffusers, sediment removal separators, and heat exchangers; steam and hydronic heating systems products, namely traps, regulators, vents, valves, strainers, and pumps; gas regulators; searchlights; plumbing fittings, namely sight glasses, pipe strainers, and backflow preventors; aeration and biological treatment systems for the wastewater industry, namely diffusers, diffuser piping, diffuser swing headers, airlift pumps, clarifiers, complete activated sludge processing plants and parts therefor; water purification units; water and wastewater treatment equipment, namely cartridge filtration units and replacement filter cartridges, reverse osmosis filtration, purification, and/or desalinitzation units and replacement reverse osmosis membrane filter cartridges, and demineralization units; pumps, tanks, filter housings, plumbing fittings, spray nozzles, and valves for use in water and wastewater filtration systems; spa, pool, bath and aquatic products, namely cycle valve assemblies comprised of valves, pressure gauges, and pumps; jet and jet valve assemblies comprised of nuts, rings, handles, manifolds, jets, and locks; air injectors; controls; manifolds; drain and suction assemblies comprised of covers, fittings, tees, plugs, nuts, and gaskets; air controls; valve assemblies comprised of handles, covers, fittings, nuts, O-rings, washers, rotors, and plugs; air blowers and air blower motors; whirlpool bath heaters; air switches; wall fitting assemblies comprised of fittings, eyeballs, nuts, gaskets, and rings; blower assemblies comprised of blowers and ports; slip socket assemblies comprised of socket bodies, gaskets, lock nuts, and fittings; injector jet assemblies comprised of jets, nozzles, fittings, and check valves; and parts therefor, namely, nozzles, orifice reducers, skimmers, PVC couplings, elbows, tees, reducers, barbs, and pump stands;