99606666
Jan 21, 2026
Copper tubing; copper alloys used in brazing; metal fittings, namely, metal tube and pipe fittings and metal valves, other than parts of machines, all the foregoing made from copper and brass; brass pipe and nipples; tube kits consisting primarily of copper tubing and elastromeric insulation and fittings for use in the copper tubing and elastromeric insulation and fittings for use in the installation of split system air conditioning and heat pumps and refrigeration units; grooved copper tubing; copper industrial tubing; linesets for air conditioning units comprising a set of copper tubing used to connect the different parts of a split system air conditioning or heat pump system
Metal GoodsElectrical wire, cable, valve bodies for electronic valves, and piston end bodies for solenoid valves; Sheeted and insulated wire and copper cathodes
Electrical and Scientific ApparatusTube kits used in the installation of split-system air conditioners and heat pumps and refrigerator units including copper tubing and elastomeric insulation
Environmental Control Apparatus