84199000 under HS Code Others, 84198100 under HS Code Others, and 84811000 under HS Code TAPS, COCKS, VALVES AND SIMILAR APPLIANCES FOR PIPES, BOILER SHELLS, TANKS, VATS OR THE LIKE, INCLUDING PRESSURE-REDUCING VALVES AND THERMOSTATICALLY CONTROLLED VALVES PRESSURE-REDUCING VALVES were the top imported HS Codes by WESCO GAS in 2021.