CyberMax
HTS lookup › Chapter 84

HTS heading 8403: Central heating boilers (other than those of heading 8402) and parts thereof

Heading 8403 of the US Harmonized Tariff Schedule covers Central heating boilers (other than those of heading 8402) and parts thereof. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.

Official USITC HTS, 2026HTSRev22 · check on hts.usitc.gov

Heading 8403 at a glance

Goods named in this heading (official line texts): Boilers, Parts.

Subheadings (6-digit)

All tariff lines in heading 8403

LineDescriptionGeneralSection 301 (China)Exclusions
8403.10.00Central heating boilers (other than those of heading 8402) and parts thereof: BoilersFreeList 4A +7.5%
8403.90.00Central heating boilers (other than those of heading 8402) and parts thereof: PartsFreeList 4A +7.5%

All of chapter 84 · Chapter 84 rate summary · HTS lookup

General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.

🔔 Get a browser alert when US tariffs change (free, no email, one click to stop).