Pumps, namely, hydraulic pumps, vacuum pumps, positive displacement pumps, sewage pumps, piston pumps, roller pumps, diaphragm pumps, flexible impeller pumps, gear pumps, and spray pumps; water pumps for use with ponds, natural and man-made lakes, rivers, streams, waterfalls, water fountains, water gardens, and other water features; water pumps for use with fish hatcheries, hydroponics, and aquariums; water pumps for aeration equipment; water pumps for irrigation; pump accessories, namely, strainers and shaft adapter kits comprised of a shaft adapter, keys and set screws, shaft couplings, pulsation dampeners, liquid injectors, and jet agitators, all being parts of machines; pump-tank units and systems consisting essentially of pumps, tanks, filters, fittings, and tubing for use with swimming pools, spas, water softening equipment, water treatment equipment, reverse osmosis equipment, and water storage equipment; pressure tanks, fittings, and adapters for use with swimming pools, spas, water softening equipment, water treatment equipment, reverse osmosis equipment, and water storage equipment; pressure switches, gauges, and regulators; well seals as parts of submersible pumps; [ well adapters, namely, well head casing adapters, pitless adapters, and pipe adapters; ] plastic and rubber seals for use in pumps; pumping machine parts, namely, [ well covers, ] nozzles [, hydrants, and water outlets ] ; water filtration, deionization and desalination systems, comprised of filters, control valves, tanks, pressure vessels, and electronics therefor; pool and spa cleaning machines; filtering machines for use with pools and spas and in residential and industrial filtration and water treatment apparatus; hydraulic controls for machines, motors, and engines; power operated spray guns and parts therefor, namely, spray tips, tank lids, flow meters, strainers, fittings, foam makers, valves as machine components, namely, manual valves, electrically activated ball valves, sprayer controls, unloader valves, bypass/unloader valves, check valves, pressure reducing valves, and pressure limiting valves; gas engines not for land vehicles and replacement parts therefor; agricultural spraying equipment; machines for cleaning surfaces using high pressure washers; brushless motors and motorized impellers for use with electronics and electrical equipment and controls therefor

Electrical control units for controlling the operation of pool and spa lights, heaters, and pumps; electronic controllers for monitoring the functions of ponds, natural and man-made lakes, rivers, streams, waterfalls, water fountains, water gardens, and other water features; electronic controllers for monitoring the functions of fish hatcheries, hydroponics, and aquariums; electronic controllers for monitoring the functions of water pumps for aeration equipment; electronic controllers for monitoring the functions of water pumps for irrigation; pump accessories; fire fighting pumps and foam injection pumps for use in firefighting equipment; [ foam proportioning controllers for fire trucks; ] automatic valves, namely, unloader valves, bypass/unloader valves, check valves, pressure reducing valves, and pressure limiting valves; light dimmers; remote control apparatus for controlling the operation of pool and spa lights, heaters, and pumps; metal and non-metal cabinets and sheet metal boxes for use in housing electrical wires and electrical and electronic equipment; electrical connection and electrical distribution boxes; industrial metal and non-metal enclosures for use in housing electrical and electronic equipment and electrical connection and distribution; metal weatherproof housings for electrical distribution

Air purifying apparatus and machines; water filters; water purifying apparatus and machines; water softening apparatus and installations; manual and automatic water conditioners and softener units for dispensing water treaters, conditioners, and reagents; water sterilizers units; water filtering apparatus and machines; swimming pool heaters; [ aquarium lights; ] filters for use with ponds, natural and man-made lakes, rivers, streams, waterfalls, water fountains, water gardens, and other water features; filters for use with fish hatcheries, hydroponics, and aquariums; water filters for residential, commercial and industrial use; [ whirlpool jet apparatus; bath fittings; spa baths; ] water heaters; [ furnace grates; ] water heating installations; lighting fixtures; lighting apparatus, namely, lighting installations; niches for pool and spa lighting; sockets for electric lights; bulb holders; portable lighting fixtures consisting of pre-wired electrical receptacles mounted in weatherproof enclosures, lighting fixtures with metal housings; lighting fixtures with non-metal housings; [ thermal management systems and equipment comprised of air conditioners, thermo-electric coolers, heat exchangers, liquid chillers, fans, blowers, impellers, and speed controllers for controlling the foregoing; ] temperature and humidity sensors and alarms to signify abnormal temperatures and humidity; surge tanks for use with water treatment equipment and apparatus