HTS heading 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 — 6 codes under this heading, with the duty on each.
| Code | Description | General rate | Units |
|---|---|---|---|
| 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 + Ch. 99 | not stated | — |
| 8404.10.00 | Auxiliary plant for use with boilers of heading 8402 or 8403 + Ch. 99 | 3.5% | — |
| 8404.10.00.10 | Economizers + Ch. 99 | 3.5% (inherited from 8404.10.00) | t |
| 8404.10.00.50 | Other + Ch. 99 | 3.5% (inherited from 8404.10.00) | t |
| 8404.20.00.00 | Condensers for steam or other vapor power units + Ch. 99 | 5% | t |
| 8404.90.00.00 | Parts + Ch. 99 | 3.5% | kg |
2 of these lines state no rate of their own and inherit one from the line above, which is how the schedule is read. Each says which line it came from.
Additional duties may apply
6 lines here reference Chapter 99, where Section 301, Section 232 and other additional duties live. Those are charged on top of the general rate and depend on where the goods were made. What those provisions are.
Source: Harmonized Tariff Schedule of the United States, U.S. International Trade Commission (public domain). Classification and the duties that finally apply to a shipment are a licensed customs broker's call.