Heading 8402: Steam or other vapor generating boilers (other than central heating hot water boilers…
Every line of heading 8402 in the U.S. Harmonized Tariff Schedule, with its general (column 1) duty rate. Open a code for the landed cost calculator, trade agreement rates and email alerts if the rate changes.
Steam or other vapor generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers; parts thereof
Chapter 84: Machinery, mechanical appliances, boilers and nuclear reactors. Schedule checked on November 8, 2026.
Not always the total: additional chapter 99 duties (such as Section 232 or Section 301), antidumping or countervailing duties may apply depending on the country of origin. See recent chapter 99 changes →
Tariff lines
| HTS code | Official description | General rate |
|---|---|---|
| 8402.11.00.00 | Watertube boilers with a steam production exceeding 45 t per hour | 5.2% |
| 8402.12.00.00 | Watertube boilers with a steam production not exceeding 45 t per hour | 4.3% |
| 8402.19.00.00 | Other vapor generating boilers, including hybrid boilers | 5.2% |
| 8402.20.00.00 | Super-heated water boilers | 3.3% |
| 8402.90.00 | Parts | 4.3% |
| 8402.90.00.10 | Heat exchangers | |
| 8402.90.00.90 | Other |
Exporting this product from the U.S.?
Exports are reported with Schedule B numbers. Heading 8402 has 6 of them. Schedule B lookup →
- 8402.11.0000WATERTUBE BOILERS WITH A STEAM PRODUCTION EXCEEDING 45 T PER HOUR
- 8402.12.0000WATERTUBE BOILERS WITH A STEAM PRODUCTION NOT EXCEEDING 45 T PER HOUR
- 8402.19.0000VAPOR GENERATING BOILERS, NESOI, INCLUDING HYBRID BOILERS
- 8402.20.0000SUPER-HEATED WATER BOILERS
- 8402.90.0010HEAT EXCHANGERS
- 8402.90.0090PARTS FOR STEAM OR OTHER VAPOR GENERATING BOILERS AND SUPER-HEATED WATER BOILERS, EXCEPT HEAT EXCHANGERS
Source: U.S. International Trade Commission, Harmonized Tariff Schedule; Schedule B: U.S. Census Bureau. Information only, not legal or customs advice; U.S. Customs and Border Protection decides the classification and the duty. Confirm with a licensed customs broker before you ship.
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