U.S. exports of Condensers for Steam or Other Vapor Power Units (HS 840420) totaled $722K in September 2026.
Importers of Condensers for Steam or Other Vapor Power Units paid $18K in duties in September 2026, an average duty rate of 10.97% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Condensers for Steam or Other Vapor Power Units imports of $160K in September 2026 ran 73% below the year-to-date monthly average of $586K.
Last updated: September 2026 dataSurface condensers and jet condensers used in steam and vapor power cycles — including utility-scale turbine condensers — all enter under the single tariff line 8404200000. Israel is the leading US supplier under this heading, an unusual concentration that reflects specialized industrial manufacturing capacity there. These are large capital goods typically procured on long lead times for power plant construction or refurbishment projects, making accurate classification and valuation at entry especially important given their high unit values.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
23 import shipments a month
No. HTS heading 8404 covers condensers specifically designed for steam or other vapor power units (i.e., power generation cycles). Condensers used in refrigeration, air conditioning, or heat-pump systems are classified under heading 8418 or 8419, depending on their design and application. Misclassification between these headings is a common audit finding.
CBP expects a commercial invoice reflecting the transaction value, along with any engineering contracts, purchase orders, or project specifications that establish the price paid. For custom-engineered condensers, assists (such as buyer-furnished designs or tooling) must be declared and added to dutiable value. A licensed customs broker can help structure the entry to capture all dutiable elements correctly.
Subheading 3 of 3 in heading 8404
Subheading 840420 · $722K of $8.4M
ImportsExports
Imports
$160KYoY · free account
Exports
$722KYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to September 2026, the U.S. imported $6.0M of Condensers for Steam or Other Vapor Power Units and exported $7.2M.
Through September 2026. Source: U.S. Census Bureau.
Trade Directory
List your company under HS 840420 — Condensers for Steam or Other Vapor Power Units, so the companies trading it can find you. Be the first supplier listed.
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 |
|---|---|---|---|---|---|
| 8404200000 | Condensers for Steam or Other Vapor Power Units | $638K | 2.06% | 9.96% | $13K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8404200000 | Condensers for Steam or Other Vapor Power Units | $160K |
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.
Exports · September 2026
destination
Uruguay and China together take 94% of it.
customs district
origin
entry
rate provision · imports
48.5% enters free of duty; duty collected equals 10.97% of imports for consumption.