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840420Chapter 84

840420 — Auxiliary plant for use with boilers of heading 8402 or 8403 (for example,…: Condensers for steam or other vapour power units

HS code 840420 classifies Auxiliary plant for use with boilers of heading 8402 or 8403 (for example,…: Condensers for steam or other vapour power units. It belongs to Chapter 84 (Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof) of Section XVI (Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles) of the Harmonized System. Duty rates are recorded for 1 country.

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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

Duty rates

US MFN base rate (HTS 2026, Column-1 General) — excludes Section 301 / IEEPA add-ons; not legal advice. Other countries’ rates and live duties via the EximAgent CLI.

  • USUnited States5%
    MFNas of Jan 1, 2026

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.

Browse all of Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof →

Go beyond the code

Find the companies shipping under 840420 — ranked by shipments recorded in US customs filings over the last 12 months.

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