Tanks, reservoirs and containers of metal

Reservoirs, tanks and similar containers of metal, of types normally installed as fixtures for storage or manufacturing use
7309
Reservoirs, tanks, vats and similar containers for any material (other than compressed or liquefied gas), of iron or steel, of a capacity exceeding 300 l, whether or not lined or heat-insulated, but not fitted with mechanical or thermal equipment.
Metal containers for compressed or liquefied gas
7311
Containers for compressed or liquefied gas, of iron or steel.
Central heating boilers and radiators
8403
Central heating boilers, non-electric; parts thereof (excl. vapour generating boilers and superheated water boilers of heading 8402)