United Kingdom HS Code

HS Code 840420: Boilers; condensers, for steam or other vapour power units in United Kingdom

Q: Is HS code 840420 the same across all countries?

Yes — up to the 6-digit level, HS code 840420 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. United Kingdom extends it under UKGT.

Q: What system does United Kingdom use to classify HS code 840420?

United Kingdom classifies products under the UK Integrated Online Tariff (UKGT; locally UK Integrated Tariff), which extends HS codes to 10 digits. The first 6 digits align with the WCO Harmonized System, and the rest cover national tariff and statistical needs.

Q: Where can I officially look up HS code 840420 in United Kingdom?

The official source is https://www.gov.uk/government/organisations/hm-revenue-customs. For faster cross-country lookups, TradeInt's HS Code Tool consolidates classifications across all major countries in one place.

What is HS Code 840420 in United Kingdom

Under United Kingdom's UK Integrated Online Tariff (UK Integrated Tariff), HS Code 840420 is the WCO Harmonized System subheading for Boilers; condensers, for steam or other vapour power units. This is the most detailed internationally standardized level; United Kingdom extends classifications to 10 digits under its national tariff system. 840420 belongs to Section XVI: Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles, Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof, Heading 8404: Auxiliary plant for use with boilers of heading no. 8402 or 8403; e.g. economisers, super-heaters, soot removers, gas recoverers), condensers for steam or other vapour power units.

Explore more 2026 Latest United Kingdom import export trade data and shipment records for HS Code Steam Power Condensers on TradeInt global trade data platform

Classification Path of HS Code 840420 in United Kingdom

Section XVI

Chapters (84-85) Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles

Chapter 84

Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

HS Code 8404

Auxiliary plant for use with boilers of heading no. 8402 or 8403; e.g. economisers, super-heaters, soot removers, gas recoverers), condensers for steam or other vapour power units

HS Code 840420

Boilers; condensers, for steam or other vapour power units

United Kingdom Tariff Classification: UK Integrated Online Tariff (UKGT)

In United Kingdom, HS 840420 is classified under the UK Integrated Online Tariff (UK Integrated Tariff) — a 10-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule UK Integrated Online Tariff (UKGT)

Local name UK Integrated Tariff

Digits 10

Official source https://www.gov.uk/government/organisations/hm-revenue-customs

You know what 840420 means. Now see 2026 latest real trade activity for Steam Power Condensers in United Kingdom.

Buyers, suppliers, origin and destination countries, shipment dates, and quantities direct from customs records.

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Top Trading Product of HS Code 8404

Top United Kingdom import Product Under HS Code 8404

1 840410: Boilers; auxiliary plant, for use with boilers of heading no. 8402 or 8403 (e.g. economisers, super-heaters, soot removers, gas recoverers) $29.4M 2 840490: Boilers; parts of auxiliary plant, for use with boilers of heading no. 8402 and 8403 and parts of condensers for steam or other vapour power units $18.8M 3 840420: Boilers; condensers, for steam or other vapour power units $4.0M

Figures shown for 2025.

For more 2026 recent data, search for United Kingdom import trade records

Top United Kingdom export Product Under HS Code 8404

1 840490: Boilers; parts of auxiliary plant, for use with boilers of heading no. 8402 and 8403 and parts of condensers for steam or other vapour power units $21.1M 2 840410: Boilers; auxiliary plant, for use with boilers of heading no. 8402 or 8403 (e.g. economisers, super-heaters, soot removers, gas recoverers) $16.9M 3 840420: Boilers; condensers, for steam or other vapour power units $812.2K

Figures shown for 2025.

For more 2026 recent data, search for United Kingdom export trade records

Related HS Code to United Kingdom Steam Power Condensers (840420)

HS Code 840410

Boilers; auxiliary plant, for use with boilers of heading no. 8402 or 8403 (e.g. economisers, super-heaters, soot removers, gas recoverers)

HS Code 840490

Boilers; parts of auxiliary plant, for use with boilers of heading no. 8402 and 8403 and parts of condensers for steam or other vapour power units

HS Code 840110

Nuclear reactors

HS Code 840120

Machinery and apparatus; for isotopic separation, and parts thereof

HS Code 840130

Fuel elements (cartridges); non-irradiated

HS Code 840140

Nuclear reactors; parts thereof

HS Code 840211

Boilers; watertube boilers with a steam production exceeding 45t per hour

HS Code 840212

Boilers; watertube boilers with a steam production not exceeding 45t per hour

HS Code 840219

Boilers; vapour generating boilers, including hybrid boilers n.e.c. in heading no. 8402

HS Code 840220

Boilers; super-heated water boilers

Frequently Asked Questions

What is HS code 840420 in United Kingdom?

HS code 840420 covers Boilers; condensers, for steam or other vapour power units in United Kingdom. It sits in Chapter 84 (Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof), Heading 8404 of the Harmonized System, and is classified under UKGT.

Is HS code 840420 the same across all countries?

What system does United Kingdom use to classify HS code 840420?

Where can I officially look up HS code 840420 in United Kingdom?