Chapter 84 · Machinery and mechanical appliances; computers · Section 16
HS Code 8419.50
Heat exchange units
Heading 8419: Machinery, plant or laboratory equipment, whether or not electrically heated (excluding furnaces, ovens and other equipment of heading 8514), for the treatment of materials by a process involving a change of temperature such as heating, cooking, roasting, distilling, rectifying, sterilizing, pasteurizing, steaming, drying, evaporating, vaporizing, condensing or cooling, other than machinery or plant of a kind used for domestic purposes; instantaneous or storage water heaters, nonelectric; parts thereof
US HTS + UK Tariff v4.0.1633 · updated 2026-10-21 · sources
Rates on this page are the official published schedule rates, shown for information. This is not a customs ruling: preference programs, Section 232/301 surcharges and per-shipment fees can change what you actually pay.
United States - HTS lines under 8419.50
Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.
| HTS code | Description | General | Special | Other | Unit |
|---|---|---|---|---|---|
| 8419.50.10 | Brazed aluminum plate-fin heat exchangers | 4.2% | Free (A,AU,BH,C,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 35% | No. |
| 8419.50.50 | Other | Free | - | 35% | No. |
Estimate the US duty runs in your browser · no caps
Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.
European Union - CN codes under 8419.50
Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.
| CN code | Description | |
|---|---|---|
| 8419 50 80 | Other | EU duty (TARIC) → |
| 8419 50 20 | Heat exchange units made of fluoropolymers and with inlet and outlet tube bores with inside diameters measuring 3 cm or less | EU duty (TARIC) → |
| 8419 50 00 | Heat-exchange units | EU duty (TARIC) → |
United Kingdom - commodity codes under 8419.50
Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.
| Commodity code | Description | |
|---|---|---|
| 8419 50 00 00 | Heat-exchange units | UK duty & VAT → |
| 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 | UK duty & VAT → |
| 8419 50 80 00 | Other | UK duty & VAT → |
| 8419 50 80 10 | For use in civil aircraft | UK duty & VAT → |
| 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 | UK duty & VAT → |
| 8419 50 80 90 | Other | UK duty & VAT → |
Nearby codes in heading 8419
The subheadings immediately before and after 8419.50 in chapter 84.
Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.
Frequently asked questions
Common questions about HS code 8419.50.
What is HS code 8419.50?
HS code 8419.50 covers: Heat exchange units. It belongs to chapter 84 (Machinery and mechanical appliances; computers) of the Harmonized System.
What is the US import duty for HS code 8419.50?
The US general (normal trade relations) rates under this subheading range: Free - 4.2%. Preference programs and Section 232/301 surcharges can change the effective rate; see the HTS lines for detail.
What is the UK commodity code for 8419.50?
The UK extends 8419.50 to 6 declarable 10-digit commodity codes, starting with 8419500000. The full code goes on the UK customs declaration.