potable drinking water infrastructure products, namely, meters and electrical, electronic, electromechanical and digital devices for monitoring and controlling water flow; commercial water infrastructure products used by towns and municipalities to transport potable drinking water from water utility companies to residential, commercial and industrial users, namely, meters and electrical, electronic, electromechanical and digital devices for monitoring and controlling water flow; automatic valves; water meters; water meter setters for underground water meter installations; meter box housing for fluid, water and gas meters having extendable meter box connectors; electric actuators for butterfly valves; electric motor operator for valves; remote valve position indicators; automatic fluid control valves; water meter registers; fluid meters; centrifugal metering pumps; controlled volume pumps; fire hydrants and parts thereof; backflow preventers consisting of passive equipment, namely, electrical, electronic, electromechanical and digital devices for monitoring and controlling water flow, and active valves to prevent backflows of water