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HSChapter 84
U.S. imports of parts of furnace burners, stokers, grates & ash dischargers (HS 841690) totaled $9.7M in July 2026, traded with 35 countries.
Importers of Parts of Furnace Burners, Stokers, Grates & Ash Dischargers paid $977K in duties in July 2026 — an effective duty rate of 13% on $7.3M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataReplacement and OEM parts for liquid-fuel, gas, and combination burners — as well as for mechanical stokers, grates, and ash dischargers — all consolidate under a single 10-digit line (8416900000), making this a catch-all parts heading for industrial combustion equipment. Germany leads US imports, reflecting the dominance of German OEMs in the industrial burner market, with Canada and China also significant sources. Classification challenges arise when a component could equally be argued as a part of a boiler (heading 8403 or 8404) versus a part of a burner; the key test is whether the part is principally designed for the burner/stoker mechanism itself.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
602 shipments/mo
CBP applies the principal-use test: if the component is specifically designed and marketed for use in the burner or stoker mechanism (e.g., a burner nozzle, igniter, or grate bar), it classifies under 841690. Generic components such as valves or pumps that serve the broader boiler system may fall under their own headings. Technical drawings and OEM part numbers are key supporting documents.
Yes, parts of furnace burners originating in China are generally subject to Section 301 tariffs. Germany and Canada are the leading alternative sources, and Canadian-origin goods may qualify for USMCA treatment. Importers should confirm origin and applicable orders with a licensed customs broker.
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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 |
|---|---|---|---|---|---|
| 8416900000 | Parts of Furnace Burners | $9.7M | 10.10% | 75.40% | $977K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8416900000 | Parts of Furnace Burners | $6.9M |
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.
ImportsExports
Imports
$9.7MYoY · Pro
Exports
$6.9MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
customs district
destination
entry
rate provision · imports
24.6% enters free of duty; the effective duty rate is 10.10%.