8403 Central heating boilers, non-electric, parts thereof (excl. vapour generating boilers and superheated water boilers of heading 8402)

8403 (01/1988-..) Central heating boilers, non-electric, parts thereof (excl. vapour generating boilers and superheated water boilers of heading 8402) 84031010 (01/1988-..) Central heating boilers, non-electric, of cast iron (excl. vapour generating boilers and superheated water boilers of heading 8402) 84031090 (01/1988-..) Central heating boilers, non-electric (excl. of cast iron, and vapour generating boilers and superheated water boilers of heading 8402) 84039010 (01/1988-..) Parts of central heating boilers of cast iron, n.e.s. 84039090 (01/1988-..) Parts of central heating boilers, n.e.s.