U.S. imports of High-Capacity Watertube Boilers (Over 45 Tonnes/Hour Steam Output) (HS 840211) totaled $3.8M in September 2026, imported from 7 countries.
Importers of High-Capacity Watertube Boilers (Over 45 Tonnes/Hour Steam Output) paid $364K in duties in September 2026, an average duty rate of 9.56% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.
Last updated: September 2026 dataWatertube boilers capable of generating more than 45 tonnes of steam per hour are large-scale industrial units used primarily in power generation, petrochemical refining, and heavy process industries. Classified under tariff line 8402110000, these units are distinguished from smaller watertube boilers by their output threshold — a specification that directly determines heading assignment. Given their size and weight, imports typically arrive as partially assembled modules, and importers should confirm that all sub-assemblies intended to form a single functional boiler are covered under a single entry to avoid misclassification.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
4 import shipments a month
The dividing line is a steam production capacity of 45 tonnes per hour. Boilers exceeding that threshold classify under 8402110000; those at or below 45 t/hr fall under heading 840212. The rated capacity stated in the manufacturer's technical specification is the primary evidence used to determine which subheading applies.
When a single boiler is shipped in multiple consignments due to size constraints, US customs rules allow for treatment as a single article if the importer can demonstrate the shipments constitute one complete unit. Advance ruling requests or binding classification rulings from CBP can provide certainty before the first shipment arrives.
ImportsExports
Imports
$3.8MYoY · free account
Exports
—YoY · free account
12-mo low · imports
Low · free accountOver the twelve months to September 2026, the U.S. imported $34.6M of High-Capacity Watertube Boilers (Over 45 Tonnes/Hour Steam Output).
Through September 2026 · exports 11 of 12 months reported. Source: U.S. Census Bureau.
Trade Directory
List your company under HS 840211 — High-Capacity Watertube Boilers (Over 45 Tonnes/Hour Steam Output), so the companies trading it can find you. Be the first supplier listed.
Subheading 2 of 5 in heading 8402
Subheading 840211 · $3.8M of $53.1M
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8402110000 | Watertube Boilers Steam Production Exc 45 T Per Hr | $2.4M | 10.00% | 100.00% | $238K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8402110000 | Watertube Boilers Steam Production Exc 45 T Per Hr | $704K |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Imports · September 2026
origin
Germany and Canada together supply 100% of it. Germany pays 10.0% duty; Canada 0.0%.
customs district
destination
entry
rate provision · imports
4.4% enters free of duty; duty collected equals 9.56% of imports for consumption.