840420 — Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economisers, superheaters, soot removers, gas recoverers); condensers for steam or other vapour power units: Condensers for steam or other vapour power units
- Covers:
- Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economisers…
- Listed US duty:
- 5% (US general rate, HTS 2026)
Official description
Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economisers, superheaters, soot removers, gas recoverers); condensers for steam or other vapour power units : Condensers for steam or other vapour power units
Find or check your HS code
Suggestions from the HS index, not a customs ruling
Describe what you ship: what it is, what it is made of, how it is processed and what it is used for. I narrow it down against the real HS hierarchy, or check a code you were given.
What 840420 covers and what it doesn’t
Official text: Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economisers, superheaters, soot removers, gas recoverers); condensers for steam or other vapour power units › Condensers for steam or other vapour power units.
Nearby codes to check
- Heading 8404 Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economisers, superheaters, soot removers, gas recoverers); condensers for steam or other vapour power units: every subheading side by side.
- 840410 Auxiliary plant for use with boilers of heading 8402 or 8403
- 840490 Parts
US duty rate
5%
General (MFN) rate in the US Harmonized Tariff Schedule, 2026 edition. A range means the rate depends on the 8-digit US line your product falls under. Extra duties such as Section 301, Section 232 or anti-dumping orders can apply on top, depending on origin. Check the lines on hts.usitc.gov. Not legal advice.
Common questions
- What is HS code 840420?
- Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economisers, superheaters, soot removers, gas recoverers); condensers for steam or other vapour power units : Condensers for steam or other vapour power units
- What duty rates apply to 840420?
- Listed duty rates range from 5% across 1 country rate.
Go beyond the code
Find the companies shipping under 840420 in the company directory, or classify and check duty with the CLI.