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 o
Heading 8404 of the US Harmonized Tariff Schedule covers 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. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.
Heading 8404 at a glance
- 3 rated tariff lines; 0 duty-free at the general (MFN) rate.
- Ad valorem general rates from 3.5% to 5%.
- Section 301 (products of China): 3 of 3 lines on a list in effect (List 1, List 3).
Goods named in this heading (official line texts): Auxiliary plant for use with boilers of heading 8402 or 8403, Condensers for steam or other vapor power units, Parts.
Subheadings (6-digit)
- 8404.10: Auxiliary plant for use with boilers of heading 8402 or 8403 (1 line)
- 8404.20: Condensers for steam or other vapor power units (1 line)
- 8404.90: Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, econo…: Parts (1 line)
All tariff lines in heading 8404
| Line | Description | General | Section 301 (China) | Exclusions |
|---|---|---|---|---|
| 8404.10.00 | Auxiliary plant for use with boilers of heading 8402 or 8403 | 3.5% | List 3 +25% | |
| 8404.20.00 | Condensers for steam or other vapor power units | 5% | List 1 +25% | |
| 8404.90.00 | Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, econo…: Parts | 3.5% | List 1 +25% |
All of chapter 84 · Chapter 84 rate summary · HTS lookup
General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.
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