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 03 Central heating boilers other than those of heading 84.02. 84 03 10 Boilers 84 03 10 00 Boilers Commodity Code Description 84 03 10 00 000 Boilers