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HSChapter 84
U.S. imports of watertube boilers (up to 45 tonnes/hour steam output) (HS 840212) totaled $953K in July 2026, traded with 9 countries.
Importers of Watertube Boilers (Up to 45 Tonnes/Hour Steam Output) paid $26K in duties in July 2026 — an effective duty rate of 11% on $231K in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 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.
7 shipments/mo
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.
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8402120000 | Watertube Boilers Steam Productn Lt 45 T Per Hour | $953K | 2.70% | 24.28% | $26K |
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 | $154K |
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.
Subheading 4 of 5 in heading 8402
Subheading 840212 · $953K of $89.1M
ImportsExports
Imports
$953KYoY · Pro
Exports
$154KYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Canada and Germany together supply 94% of it.
customs district
destination
entry
rate provision · imports
75.7% enters free of duty; the effective duty rate is 2.70%.