Code 8404 10 · Heading 8404

Auxiliary equipment for boilers covered by 8402 or 8403

This covers auxiliary equipment used with boilers covered by 8402 or 8403. Examples include economisers, superheaters, soot blowers and recuperators.

For example

An economiser for a boiler covered by 8402 or 8403
A superheater for a boiler covered by 8402 or 8403
A soot blower for a boiler covered by 8402 or 8403
A recuperator for a boiler covered by 8402 or 8403

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See the official tariff text

Official tariff text

Auxiliary plant for use with boilers of heading 8402 or 8403, e.g. economizers, superheaters, soot removers and gas recoverers;

The path to this code

Every code is reached through these choices, one level at a time.

Step 4 of 4

Step 1 · Section XVI Machinery and mechanical appliances; electrical equ…
Is the product a machine, apparatus or mechanical tool, or is it electrical equipment, a sound recorder or player, or a television image and sound recorder or player?
✓
Step 2 · Chapter 84 Nuclear reactors, boilers, machinery and mechanical… 1 of 2 chapters in section XVI
What is the machine, appliance or part specifically designed to do?
✓
Step 3 · Heading 8404 Auxiliary plant for use with boilers of heading 840… 4 of 86 headings under chapter 84
Is the item a boiler auxiliary for a boiler of 8402 or 8403, a condenser for a steam engine, or a part for one of these?
✓
Step 4 · Subheading 8404 10 Auxiliary plant for use with boilers of heading 840… 1 of 3 subheadings under heading 8404
Is it auxiliary equipment for a boiler covered by 8402 or 8403, such as an economiser, superheater, soot blower or recuperator?

Full 8-digit codes

Pick the description that best matches your product.

1 code below this one

8404 10 00 Auxiliary plant for use with boilers of heading 8402 or 8403, e.g. economizers, superheaters, soot removers and gas recoverers; 2.7% Save

Compare the sibling codes

8404 10 Auxiliary plant for use with boilers of heading 8402 or 8403, e.g. economizers, superheaters, soot removers and gas recoverers; you are here 2.7%
8404 20 Condensers for steam or other vapour power units 2.7%
8404 90 Parts of auxiliary plant of heading 8402 or 8403 and condensers for steam or other vapour power units, n.e.s. 2.7%

Export to Norway

What Norwegian customs charges when goods like these are imported into Norway.

84.04.1000

Auxiliary plant for use with boilers of heading 84.02 or 84.03

Ordinary duty

Duty free

Goods of EU origin

Duty free You need documentation of EU origin to use this rate.

Norwegian tariff data version 1.5/1.2, last checked Aug. 3, 2026.

Contains data from Norwegian Customs (data.toll.no), licensed under CC BY 4.0, adapted for display.

Export to the United Kingdom

What UK customs charges when goods like these are imported into the UK.

8404 10 00 00

Auxiliary plant for use with boilers of heading 8402 or 8403

Ordinary duty

Duty free

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.

These rates apply in Great Britain. Different rules may apply for goods entering Northern Ireland.

UK tariff data version v4.0.1576, last checked Aug. 3, 2026.

Contains public sector information licensed under the Open Government Licence v3.0.

Source: UK Department for Business and Trade (data.api.trade.gov.uk).

Check the neighbouring codes

The codes just before and after this one, in case a nearby group fits better.

See all 3 codes at this level

you are here 8404 10

Auxiliary plant for use with boilers of heading 8402 or 8403, e.g. ec…

Next code 8404 20

Condensers for steam or other vapour power units

Duty rates shown here are estimates, read from official EU / Danish, Norwegian and UK tariff data for orientation only. Confirm the current rate with SKAT, TARIC, Norwegian Customs or the UK Online Trade Tariff before you file. The rate you pay can also depend on the country of origin. These are base customs duties only: import VAT, excise duties, anti-dumping duties and safeguard or quota measures are not included.