Subheading
8404.10.00
Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers); condensers for steam or other vapor power units; parts thereof: Auxiliary plant for use with boilers of heading 8402 or 8403
8404 Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers); condensers for steam or other vapor power units; parts thereof
Duty rates
Column 1, General
3.5%The rate for goods from countries with normal trade relations.
Column 1, Special
Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)Only if the goods qualify under that programme's rules of origin, which is a determination nobody here can make for you.
Column 2
45%For the small number of countries named in General Note 3(b), which is not held here.
Programmes named in the Special column:
- A*, Generalized System of Preferences, some countries excluded
- AU, Australia Free Trade Agreement
- BH, Bahrain Free Trade Agreement
- CL, Chile Free Trade Agreement
- CO, Colombia Trade Promotion Agreement
- D, African Growth and Opportunity Act
- E, Caribbean Basin Economic Recovery Act
- IL, Israel Free Trade Area
- JO, Jordan Free Trade Agreement
- KR, Korea Free Trade Agreement
- MA, Morocco Free Trade Agreement
- OM, Oman Free Trade Agreement
- P, Dominican Republic and Central America Free Trade Agreement
- PA, Panama Trade Promotion Agreement
- PE, Peru Trade Promotion Agreement
- S, United States, Mexico and Canada Agreement
- SG, Singapore Free Trade Agreement
Additional duties
No footnote on this line, or on the lines above it, points at a chapter 99 provision.
These are the published rates for this line. They are not a landed duty. Additional duties under chapter 99, which is where section 232 and section 301 sit, can apply through the U.S. notes to that chapter without a footnote on this line, and those notes are not held here. Classification and country of origin are yours to determine.
Below this
| Code | Description | General |
|---|---|---|
| 8404.10.00.10 | Economizers | 3.5% |
| 8404.10.00.50 | Other | 3.5% |
Keep this line
An account can watch this line, so a section 232 or 301 action naming it reopens the determination that rested on it.
2026HTSRev17, retrieved 2026-08-27, from the USITC