Steam generators, except central heating hot water boilers

Steam or other vapour generators
8402
Steam or other vapour generating boilers (excl. central heating hot water boilers capable also of producing low pressure steam); superheated water boilers; parts thereof
Auxiliary plant for use with steam generators: Condensers, economizers, superheaters, steam collectors and accumulators
8404
Auxiliary plant for use with boilers of heading 8402 or 8403, e.g. economizers, superheaters, soot removers and gas recoverers; condensers for steam or other vapour power units; parts thereof
Nuclear reactors, except isotope separators
8401
Nuclear reactors; fuel elements "cartridges", non-irradiated, for nuclear reactors; machinery and apparatus for isotopic separation; parts thereof
Parts for marine or power boilers
8406
Steam turbines and other vapour turbines; parts thereof