This class includes: - manufacture of radiators for central heating, non-electrically heated - manufacture of steam or other vapour generating boilers - manufacture of auxiliary plant for use with steam or other vapour generating boilers (e.g. economisers, super heaters, steam collectors and accumulators) - manufacture of condensers for steam or other vapour power units - manufacture of nuclear reactors, except isotope separators - manufacture of marine or power boilers
This class excludes: - manufacture of electrical ovens and water heaters, see 27.51 - manufacture of boiler turbine sets, see 28.11 - manufacture of household heating equipment, see 28.21 - manufacture of isotope separators, see 28.99