HS code 8403: Central heating boilers other than those
Heading 8403 of the EU Combined Nomenclature 2026, in chapter 84, with the official text of every 6-digit subheading and 8-digit CN code below it.
Official description
8403Central heating boilers other than those of heading 8402
Place in the nomenclature: 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof > 8403
Explanatory note (Eurostat)
Central heating boilers, non-electric; parts thereof (excl. vapour generating boilers and superheated water boilers of heading 8402)
- Subheadings (6 digits)
- 2
- CN codes (8 digits)
- 4
Subheadings and CN codes in heading 8403
- 8403 10Boilers
Explanatory note (Eurostat): Central heating boilers, non-electric (excl. vapour generating boilers and superheated water boilers of heading 8402)
- 8403 10 10 Of cast iron
- 8403 10 90 Other
- 8403 90Parts
Explanatory note (Eurostat): Parts of central heating boilers, n.e.s.
- 8403 90 10 Of cast iron
- 8403 90 90 Other
The first 6 digits are the Harmonized System, shared worldwide: a US HTS code that starts with the same 6 digits sits under the same subheading. The last 2 digits are the EU's own CN split.
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Not a binding classification
These pages show the official texts for reference. They are not a binding classification: check the code with your customs broker, or ask your customs authority for Binding Tariff Information (BTI).
Source
Source: EU Combined Nomenclature 2026 (Commission Implementing Regulation (EU) 2025/1926), © European Union, https://eur-lex.europa.eu/. Reformatted by WISEPIM: indent dashes removed and parent lines joined. Only the Official Journal is authentic.