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HTS code reference›Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances›8404.10.00

HTS Code 8404.10.00

Auxiliary plant for use with boilers of heading 8402 or 8403

Official tariff path

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

Level: hts8General duty: 3.5%

What does HTS 8404.10.00 cover?

This provision appears in the 2026 Harmonized Tariff Schedule of the United States under the following legal tariff hierarchy. A product must match the wording and applicable section or chapter notes before this code is used on an entry.

  1. 1Auxiliary 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:
  2. 2Auxiliary plant for use with boilers of heading 8402 or 8403

More specific provisions

8404.10.00.10Economizers8404.10.00.50Other

Nearby tariff provisions

8404.20.00.00Condensers for steam or other vapor power units8404.90.00.00Parts
Official source and limitations

Based on USITC HTS 2026 Revision 12, published July 21, 2026. The general rate does not include every origin-specific program, Section 301 or 232 measure, antidumping or countervailing duty, quota, or other agency requirement.

Open this code in the official USITC search ↗