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 02 WATER BOILERS. 84 02 12 WATERTUBE BOILERS, STEAM PRODUCTION NOT EXCEEDING 45 TONS PER HOUR Commodity Code Description 84 02 12 00 WATERTUBE BOILERS, STEAM PRODUCTION NOT EXCEEDING 45 TONS PER HOUR