Manufacture of steam generators, except central heating hot water boilers

This class includes: - manufacture of steam or other vapour generators - manufacture of auxiliary plant for use with steam generators: • condensers, economisers, superheaters, steam collectors and accumulators - manufacture of nuclear reactors, except isotope separators - manufacture of parts for marine or power boilers

This class excludes: - manufacture of central heating hot-water boilers and radiators, see 25.21 - manufacture of boiler-turbine sets, see 28.11 - manufacture of isotope separators, see 28.99