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:
This is a category heading rather than a rate line — pick one of the codes below to see its full duty stack.
Subordinate codes (3)
| Code | Description |
|---|---|
| 8404.10.00 | Auxiliary plant for use with boilers of heading 8402 or 8403 |
| 8404.20.00.00 | Condensers for steam or other vapor power units |
| 8404.90.00.00 | Parts |
Frequently asked
- What does 8404 cover?
- 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:. This is a heading-level category with several subordinate codes — open one to see its full duty breakdown.
- Where does this data come from?
- Codes and MFN base rates come from the full USITC HTS 2026 Rev.11 export. Section 301/232/122 surcharge mappings are approximated pending code-level review. Every rate carries a source_url and effective_from, so you can trace it back to the controlling notice.