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HSChapter 84
U.S. imports of watertube boilers (up to 45 tonnes/hour steam output) (HS 840212) totaled $112K in April 2026, traded with 6 countries.
Watertube Boilers (Up to 45 Tonnes/Hour Steam Output) imports of $112K in April 2026 ran 89% below the year-to-date monthly average of $1.0M.
Last updated: April 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.
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.
Monthly import values over time
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| CANADA | $109K | $850K | +$741K |
| BAHAMAS | -- | $58K | +$58K |
| KOREA, SOUTH | -- | $22K | +$22K |
| GERMANY | $3K | -- | -$3K |
| CHINA | -- | -- | -- |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 8402120000 | WATERTUBE BOILERS STEAM PRODUCTN LT 45 T PER HOUR | $112K | 14.30% | $1K |
WATERTUBE BOILERS STEAM PRODUCTN LT 45 T PER HOUR
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8402120000 | WATERTUBE BOILERS STEAM PRODUCTN LT 45 T PER HOUR | $930K |
WATERTUBE BOILERS STEAM PRODUCTN LT 45 T PER HOUR
126 t
DIGITAL PROCESSING UNITS, N.E.S.O.I.
HS 847150
PARTS & ACCESSORIES FOR ADP MACHINES & UNITS
HS 847330
PORT DIGTL AUTOMATIC DATA PROCESS MACH NOT > 10 KG
HS 847130
AUTOMATIC DATA PROCESSING STORAGE UNITS, N.E.S.O.I
HS 847170
AUTOMATIC DATA PROCESSING UNITS, N.E.S.O.I.
HS 847180
TURBOJET AND TURBOPROLLER PARTS
HS 841191
| State | Imports | Exports | Balance |
|---|---|---|---|
| Kansas | -- | $738K | +$738K |
| California | -- | $101K | +$101K |
| Florida | $5K | $58K | +$53K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| PORT HURON, MI | $82K | $839K | +$757K |
| PORT EVERGLADES, FL | -- | $58K | +$58K |
| SEATTLE, WA | -- | $22K | +$22K |