HS Code 8404.10.0010

Economizers — US Import Duty

Official Description

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 > Economizers

Hierarchy: 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 > Economizers

US Duty Rates (2026 HTS)

General Rate (MFN)3.5%

Unit of MeasureT

Special Trade Program Rates

FreeAU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG — see HTS General Notes for eligible countries

Possible Additional Duties

Section 301 Brazil TariffThe duty provided in the applicable subheading + 25% (origin: BR)
Section 301 "Forced Labor" AlgeriaThe duty provided in the applicable subheading + 12.5% (origin: DZ)
Section 301 "Forced Labor" AngolaThe duty provided in the applicable subheading + 12.5% (origin: AO)
Section 301 "Forced Labor" ArgentinaThe duty provided in the applicable subheading + 10% (origin: AR)
Section 301 "Forced Labor" AustraliaThe duty provided in the applicable subheading + 12.5% (origin: AU)
Section 301 "Forced Labor" BahamasThe duty provided in the applicable subheading + 12.5% (origin: BS)

Applicability depends on country of origin and date of entry. Run the calculator for the full duty stack.

Classification

Chapter: Chapter 84 — Nuclear Reactors, Boilers, Machinery and Mechanical Appliances; Parts Thereof
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 other vapor power units; parts thereof

Related Codes in this Heading

8404.10.0050

Auxiliary plant for use with boilers of heading 8402 or 8403

8404.20.0000

Condensers for steam or other vapor power units

8404.90.0000

Parts

Common Questions

What is the US import duty for HS Code 8404.10.0010?

The general (MFN) duty rate for HS Code 8404.10.0010 (Economizers) is 3.5%. Preferential rates apply under 1 special trade program for eligible countries of origin. Use the calculator for an exact landed-cost estimate.

Are there additional tariffs on HS Code 8404.10.0010?

Yes — Chapter 99 measures may apply, including Section 301 Brazil Tariff, Section 301 "Forced Labor" Algeria, Section 301 "Forced Labor" Angola, among others. Applicability depends on the country of origin and entry date.

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