HS 8403 — Central heating boilers (other than those of heading 8402) and parts thereof
HS heading 8403 (Central heating boilers (other than those of heading 8402) and parts thereof) spans 2 products in U.S. import records, with 8,799 bill-of-lading shipments. The most imported are Parts of central heating boilers (other than those of heading 8402) and parts thereof and Central heating boilers (other than those of heading 8402) and parts thereof, boilers.
Part of Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances
Sourced from U.S. Customs bill of lading data · Updated monthly · Data through August 2026Cite as: ImportDoor, U.S. Customs bill of lading data (data through August 2026), https://www.importdoor.com/products/heading/8403
Products under this heading
Frequently asked questions about HS 8403
What is HS code 8403?
HS 8403 covers central heating boilers and parts thereof. It is a 4-digit heading in chapter 84 (Nuclear reactors, boilers, machinery and mechanical appliances) of the Harmonized System, with 2 six-digit subheadings that appear in U.S. import records.
How many U.S. import shipments fall under HS 8403?
ImportDoor has 8,799 U.S. Customs bill-of-lading shipment records under HS heading 8403, updated monthly.
What is the most imported product under HS 8403?
Parts of central heating boilers and parts thereof (HS 840390) leads with 7,762 shipments, followed by Central heating boilers and parts thereof, boilers (HS 840310).