U.S. imports of Watertube Boilers (Up to 45 Tonnes/Hour Steam Output) (HS 840212) totaled $1.8M in August 2026, imported from 9 countries.
Importers of Watertube Boilers (Up to 45 Tonnes/Hour Steam Output) paid $18K in duties in August 2026, an average duty rate of 1.00% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Watertube Boilers (Up to 45 Tonnes/Hour Steam Output) imports of $1.8M in August 2026 ran 75% above the year-to-date monthly average of $1.0M.
Last updated: August 2026 dataSmaller-scale watertube boilers with a steam output not exceeding 45 tonnes per hour serve industrial process heating, food manufacturing, textile production, and institutional facilities. The single US tariff line 8402120000 captures this capacity band, and the 45 t/hr ceiling is the operative classification criterion separating it from the higher-output subheading. Importers sourcing these units should verify the manufacturer's rated capacity documentation, as field-modified or multi-pass designs can sometimes produce ambiguity about the applicable subheading.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
14 import shipments a month
CBP typically relies on the manufacturer's technical data sheet or nameplate rating to confirm capacity. If the stated capacity is near the 45 t/hr threshold, importers should obtain a certified technical specification from the manufacturer and consider requesting a binding ruling to lock in the correct subheading before importation.
Watertube boilers may be subject to Section 301 tariffs depending on the country of origin, particularly for goods of Chinese origin. Importers should check current Section 301 lists and any applicable exclusions before finalizing sourcing decisions.
Trade Directory
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Subheading 3 of 5 in heading 8402
Subheading 840212 · $1.8M of $53.1M
ImportsExports
Imports
$1.8MYoY · free account
Exports
$73KYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $15.8M of Watertube Boilers (Up to 45 Tonnes/Hour Steam Output) and exported $13.5M.
Through August 2026. Source: U.S. Census Bureau.
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 |
|---|---|---|---|---|---|
| 8402120000 | Watertube Boilers Steam Productn Lt 45 T Per Hour | $1.8M | 1.00% | 9.95% | $18K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8402120000 | Watertube Boilers Steam Productn Lt 45 T Per Hour | $73K |
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 · August 2026
origin
Canada and Germany together supply 100% of it. Germany pays 10.0% duty; Canada 0.0%.
customs district
destination
entry
rate provision · imports
90.0% enters free of duty; duty collected equals 1.00% of imports for consumption.