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HTS code reference›Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances›8402.12.00.00
US HTS · 2026 REVISION 12

HTS Code 8402.12.00.00

Watertube boilers with a steam production not exceeding 45 t per hour

Official tariff path

Steam or other vapor generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers; parts thereof: › Steam or other vapor generating boilers: › Watertube boilers with a steam production not exceeding 45 t per hour

Level: statistical10General duty: 4.3%Unit: t
WHAT THIS PAGE ADDSRead the code in context

Official wording plus the product examples, decision checks and next steps that a raw tariff lookup does not provide.

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Does HTS 8402.12.00.00 fit your product?

This is the fastest way to use the page: compare the exact commercial description with the legal wording, then check the closest child or sibling provision. A valid code is not automatically the right code for every product in the same category.

  • The product must match the tariff wording: Watertube boilers with a steam production not exceeding 45 t per hour.
  • This page is a reporting provision; verify the complete product description and chapter notes before filing.
  • The displayed duty is 4.3%; origin programs, trade remedies, quotas and taxes may change the final amount.

What does HTS 8402.12.00.00 cover?

This provision appears in the 2026 Harmonized Tariff Schedule of the United States under the following legal tariff hierarchy.

  1. 1Steam or other vapor generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers; parts thereof:
  2. 2Steam or other vapor generating boilers:
  3. 3Watertube boilers with a steam production not exceeding 45 t per hour

Nearby tariff provisions

These are the alternatives worth comparing when one product fact changes.

8402.11.00.00Watertube boilers with a steam production exceeding 45 t per hour8402.19.00.00Other vapor generating boilers, including hybrid boilers8402.20.00.00Super-heated water boilers8402.90.00Parts
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.

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