8419.50: Machinery, plant or laboratory equipment, whether: heat-exchange units

1. 8419 50 00 00 Heat-exchange units
2. 8419 50 20 00 Heat exchange units made of fluoropolymers and with inlet and outlet tube bores with inside diameters measuring 3 cm or less Free
3. 8419 50 80 00 Other
4. 8419 50 80 10 For use in civil aircraft Free
5. 8419 50 80 30 Aluminium heat exchanger for gas boilers designed for heat transfer: - with a height of 100mm or more, but not more than 150mm, - with a width of 235mm or more, but not more than 300mm, - with a length of 240mm or more, but not more than 300mm, - for a power output of 25kw or more, but not more than 35kw, - with a weight of 8kg or more, but not more than 10kg Free
6. 8419 50 80 90 Other Free

Additional duties and import rules

Charges on top of the customs duty, and rules the goods must meet at the border.

Preferential rates by country

UK: imports by month

last 12 months£568.6m+9.6% · previous 12 months

Average import price£26.56 per kg

Main suppliers, last 12 months

Country	Value	Share	Change
United States	£116.5m	20.5%	+11.6%
United Kingdom	£54.5m	9.6%	+23.7%
Italy	£49.3m	8.7%	+14%
France	£48.6m	8.5%	-17.6%
Germany	£45.6m	8%	+14.4%
China	£45m	7.9%	+12%
Spain	£24.6m	4.3%	+48.1%
Hungary	£21.8m	3.8%	-2.5%

Same subheading in other tariffs

EU Free – 1.7% Third-country duty 2 tariff lines · average 0.9% Türkiye 1.7% Third-country duty 2 tariff lines USA Free – 4.2% General (MFN) 2 tariff lines · average 2.1% Canada Free Third-country duty 2 tariff lines Mexico Free – 35% Third-country duty 5 tariff lines · average 7% Brazil 12.6% – 20% Third-country duty 5 tariff lines · average 18.5% Argentina 12.6% Third-country duty 9 tariff lines Peru Free Third-country duty 2 tariff lines New Zealand Free – 5% Third-country duty 2 tariff lines · average 2.5% Japan Free Third-country duty 1 tariff line Taiwan Free – 3% Third-country duty 2 tariff lines · average 1.5% GCC 5% Third-country duty 1 tariff line Switzerland Free Third-country duty 1 tariff line Norway Free Third-country duty 1 tariff line North Macedonia 10% Third-country duty 4 tariff lines Nigeria 5% Third-country duty 1 tariff line

World trade in 2024

Top exporters

Rank	Country	Value	Share
1	China	US$2bn	16.1%
2	United States	US$2bn	11.9%
3	Germany	US$1bn	8.3%
4	Italy	US$1bn	7.2%
5	South Korea	US$823m	5.4%
6	France	US$678m	4.4%
7	Sweden	US$527m	3.4%
8	Mexico	US$522m	3.4%
9	United Kingdom	US$492m	3.2%
10	Japan	US$490m	3.2%

Top importers

Rank	Country	Value	Share
1	United States	US$2bn	13.7%
2	Germany	US$1bn	8.8%
3	China	US$874m	5.7%
4	France	US$556m	3.6%
5	Canada	US$534m	3.5%
6	Mexico	US$508m	3.3%
7	Australia	US$495m	3.2%
8	United Kingdom	US$479m	3.1%
9	Japan	US$425m	2.8%
10	Italy	US$404m	2.6%

Import duty on this product around the world 165

The most-favoured-nation (MFN) duty each country applies to goods of this HS subheading: the average over its national tariff lines, with the lowest and highest line where they differ. Goods from countries with a trade agreement often pay less.

• 5%median duty
• 52number of duty-free countries (MFN)
• 45%highest: Bahamas, Bermuda, Kiribati

165

Importing country	MFN duty	lines from – to	data year
Afghanistan	2.5%		2018 · HS 2012
Albania	0%		2023
Algeria	5%		2023
Angola	0%		2023 · HS 2017
Anguilla	15%		2021 · HS 2017
Antigua & Barbuda	5%		2021 · HS 2007
Argentina	12%	2% – 14%	2023 · HS 2017
Armenia	0%		2023
Aruba	12%		2021 · HS 2012
Australia	3.3%	0% – 5%	2023
Azerbaijan	7.5%	0% – 15%	2023 · HS 2017
Bahamas	45%		2022
Bahrain	5%		2023
Bangladesh	1%		2023 · HS 2017
Barbados	5%		2022 · HS 2017
Belarus	0%		2021 · HS 2017
Belize	5%		2023
Benin	5%		2023
Bermuda	25%		2023
Bhutan	10%		2022
Bolivia	5%		2023 · HS 2017
Bosnia & Herzegovina	5%	0% – 10%	2022
Botswana	15%		2023
Brazil	14%		2023 · HS 2017
Brunei	0%		2023 · HS 2017
Burkina Faso	5%		2023
Burundi	0%		2023
Cambodia	15%		2023 · HS 2017
Cameroon	10%		2023
Canada	0%		2023
Cape Verde	0%		2023 · HS 2017
Cayman Islands	22%		2021 · HS 2002
Central African Republic	10%		2023
Chad	10%		2023
Chile	6%		2023 · HS 2017
China	8.6%	0% – 10%	2023
Colombia	2.5%	0% – 5%	2023 · HS 2017
Comoros	20%		2021 · HS 2017
Congo - Brazzaville	10%		2023
Cook Islands	0%		2022 · HS 2017
Costa Rica	0%		2023
Côte d’Ivoire	5%		2023 · HS 2017
Cuba	10%		2023 · HS 2017
Dominica	0%		2023 · HS 2017
Dominican Republic	0%		2023
Ecuador	19%	0% – 25%	2023 · HS 2017
Egypt	0%		2019 · HS 2017
El Salvador	0%		2022
Equatorial Guinea	10%		2023
Eswatini	15%		2023
Ethiopia	10%		2021 · HS 2017
European Union (27 countries)	0.9%	0% – 1.7%	2023
Fiji	0%		2023
French Polynesia	10%		2023
Gabon	10%		2023
Gambia	5%		2023
Georgia	0%		2022 · HS 2017
Ghana	5%		2023
Gibraltar	12%		2023 · HS 2017
Grenada	5%		2023 · HS 2012
Guatemala	0%		2023
Guinea	5%		2023
Guinea-Bissau	5%		2023
Guyana	5%		2023 · HS 2017
Haiti	5%		2020 · HS 2017
Honduras	0%		2023
Hong Kong SAR China	0%		2023
Iceland	0%		2023
India	7.5%		2023
Indonesia	5%		2023
Iran	15%		2020 · HS 2017
Israel	8.4%	0% – 12%	2022 · HS 2017
Jamaica	0%		2023
Japan	0%		2023
Jordan	0%		2023
Kazakhstan	0%		2023
Kenya	0%		2023
Kiribati	25%		2023 · HS 2002
Kuwait	5%		2023
Kyrgyzstan	0%		2021 · HS 2017
Laos	10%		2023 · HS 2017
Lebanon	15%		2020 · HS 2017
Lesotho	15%		2023
Liberia	5%		2023
Libya	5%		2021 · HS 2017
Liechtenstein	0%		2021 · HS 2017
Macao SAR China	0%		2023
Madagascar	5%		2023
Malawi	0%		2021 · HS 2017
Malaysia	5%	0% – 20%	2023
Maldives	20%		2023
Mali	5%		2023
Mauritania	5%		2023 · HS 2017
Mauritius	0%		2023
Mexico	2.5%	0% – 5%	2023 · HS 2017
Micronesia	4%		2021 · HS 2017
Moldova	5%		2023 · HS 2017
Mongolia	5%		2023
Montserrat	5%		2023 · HS 2017
Morocco	2.5%		2023
Mozambique	5%		2023
Myanmar (Burma)	3%		2023 · HS 2017
Namibia	15%		2023
Nauru	10%		2021 · HS 2017
Nepal	5%		2023
New Zealand	2.5%	0% – 5%	2023
Nicaragua	0%		2023
Niger	5%		2023
Nigeria	5%		2023
North Macedonia	10%		2023
Norway	0%		2023
Oman	5%		2023
Pakistan	20%		2023
Palau	3%		2023 · HS 2012
Palestinian Territories	8.4%	0% – 12%	2017 · HS 2017
Panama	0%		2023
Papua New Guinea	0%		2023
Paraguay	1.6%	0% – 2%	2023 · HS 2017
Peru	0%		2023 · HS 2017
Philippines	0.4%	0% – 1%	2023
Qatar	5%		2023
Russia	0%		2021 · HS 2017
Rwanda	0%		2023
Samoa	8%		2020 · HS 2017
São Tomé & Príncipe	5%		2019 · HS 2017
Saudi Arabia	15%		2023
Senegal	5%		2023
Seychelles	0%		2023
Sierra Leone	5%		2023
Singapore	0%		2023 · HS 2017
Solomon Islands	5%		2023 · HS 2017
Somalia	5%		2023 · HS 2017
South Africa	15%		2023
South Korea	5.3%	0% – 8%	2023
Sri Lanka	0%		2023
St Kitts & Nevis	0%		2023
St Lucia	0%		2023 · HS 2012
St Pierre & Miquelon	5%		2021 · HS 2017
St Vincent & the Grenadines	5%		2023
Sudan	10%		2021 · HS 2017
Suriname	5%		2023 · HS 2007
Switzerland	0%		2023
Syria	1%		2020 · HS 2012
Tajikistan	5%		2021 · HS 2012
Tanzania	0%		2023
Thailand	0%		2023
Togo	5%		2023
Tonga	3%		2023 · HS 2017
Trinidad & Tobago	0%		2023 · HS 2012
Türkiye	1.7%		2023
Tuvalu	19%		2017 · HS 2017
Uganda	0%		2023
Ukraine	0%		2023 · HS 2017
United Arab Emirates	5%		2023
United Kingdom	0%		2023
United States	2.1%	0% – 4.2%	2023
Uruguay	0.3%	0% – 2%	2023 · HS 2017
Uzbekistan	0%		2021 · HS 2017
Vanuatu	0%		2023
Venezuela	14%		2023 · HS 2017
Vietnam	3%		2023
Wallis & Futuna	10%		2021 · HS 2012
Yemen	5%		2017 · HS 2017
Zambia	10%		2023
Zimbabwe	0%		2023

Tariff data years 2017–2023; rates may have changed since. · UNCTAD TRAINS, accessed via WITS (World Bank)

Classifications and correspondences

Where this HS subheading sits in the United Nations' statistical classifications, and which codes it had in earlier editions of the Harmonized System.

SITC Rev. 4

74174 Heat-exchange units

End use (BEC Rev. 5)

Capital goods · BEC 112010

CPC 2.1 product

43911 Producer gas or water gas generators; acetylene gas generators and similar water process gas generators; distilling or rectifying plant; heat exchange units; machinery for liquefying air or gas

ISIC Rev. 4 activity

2819 Manufacture of other general-purpose machinery

Earlier HS editions

Correspondence tables of the United Nations Statistics Division (UNSD)

Binding rulings for similar goods 17

Recent rule changes mentioning this code

Acts whose text cites this code or its heading. Check the act itself: a code can be cited for reasons other than a change of its duty.

1. Import and export controls 20 July 2026

   Notice of Action: Brazil's Acts, Policies, and Practices Related to Digital Trade and Electronic Payment Services; Unfair, Preferential Tariffs; Anti-Corruption Enforcement; Intellectual Property Protection; Ethanol Market Access; and Illegal Deforestation

   FR Doc. 2026-14542 · 91 FR 45516 · Source: federalregister.gov

2. Other 19 June 2026

   Update to Commodity Code Structure to maintain dynamic alignment with the EU – 19 June 2026

   Trade Tariff news 6862 · Source: trade-tariff.service.gov.uk

3. Tariff change 4 June 2026

   Notice of Determination and Request for Comments Concerning Action Pursuant to Section 301: Brazil's Acts, Policies, and Practices Related to Digital Trade and Electronic Payment Services; Unfair, Preferential Tariffs; Anti-Corruption Enforcement; Intellectual Property Protection; Ethanol Market Access; and Illegal Deforestation

   FR Doc. 2026-11158 · 91 FR 33854 · Source: federalregister.gov

4. Tariff change 28 May 2026

   Implementing Certain Tariff-Related Elements of a Trade and Security Agreement Between the American Institute in Taiwan and the Taipei Economic and Cultural Representative Office in the United States

   FR Doc. 2026-10571 · 91 FR 31818 · Source: federalregister.gov

5. Sanctions 19 May 2026 · Applies from: 20 May 2026

   The Russia (Sanctions) (EU Exit) (Amendment) Regulations 2026

   S.I. 2026/543 · Source: legislation.gov.uk

Rule changes →

Products classified here

• beer pasteurisers
• heat exchange units
• mashing vats, heated
• hop decoction vessels
• macerating vessels, heated
• processing vats for cheese
• autoclaves, food production
• freezing salt type freezers
• margarine solidifying tanks
• defecation vessels for sugar
• vacuum boiling pans for sugar
• vats for the preparation of dyes
• autoclaves for vulcanising rubber
• condensers for nitrogen or other gases

Questions and answers

Typical products

• autoclaves for vulcanising rubber
• autoclaves, food production
• beer pasteurisers
• condensers for nitrogen or other gases
• defecation vessels for sugar
• freezing salt type freezers
• heat exchange units
• hop decoction vessels
• macerating vessels, heated
• margarine solidifying tanks
• mashing vats, heated
• processing vats for cheese
• vacuum boiling pans for sugar
• vats for the preparation of dyes

Everyday names, not part of the legal text.