Section 16 Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers and parts and accessories of such articles 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof 84 15 Air conditioning machines 84 15 81 Air conditioning machines, with refrigerating unit and valve 84 15 81 00 Air conditioning machines, with refrigerating unit and valve Commodity Code Description 84 15 81 00 00 Air conditioning machines, with refrigerating unit and valve