U.S. imports of Parts for Auxiliary Boiler Plants and Condenser Parts (SITC 71192) totaled $5.1M in August 2026, imported from 25 countries.
Importers of Parts for Auxiliary Boiler Plants and Condenser Parts paid $430K in duties in August 2026, an average duty rate of 8.43% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Parts for Auxiliary Boiler Plants and Condenser Parts imports of $5.1M in August 2026 ran 23% below the year-to-date monthly average of $6.6M.
Last updated: August 2026 dataComponents for economizers, feedwater heaters, soot blowers, and similar auxiliary boiler equipment—as well as replacement parts for steam and vapor power unit condensers—are grouped here. The dual scope of this heading (auxiliary plant parts and condenser parts) means importers must clearly identify the parent equipment in their entry documentation to avoid misclassification into general heat-exchanger or industrial machinery parts headings. Procurement teams in the power and refining sectors rely on accurate classification to manage duty costs and maintain MRO inventory compliance.
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160 import shipments a month
When a part is interchangeable between a condenser and auxiliary boiler equipment, the importer should identify the actual end-use and the equipment for which the part was ordered. If the part is purpose-built for a condenser, it falls under condenser parts; if for auxiliary plant, it falls under auxiliary plant parts. Documentation from the OEM or the maintenance work order supports the correct classification.
Misclassifying these parts under a general heat-exchanger or industrial machinery parts heading can result in underpayment or overpayment of duties, potential CBP penalties for material misstatement, and complications during post-entry audits. Importers should retain engineering specifications and OEM documentation to substantiate the correct heading at the time of entry.
Basic heading 478 of 642 in section 7
Basic heading 71192 · $5.1M of $172.0B
ImportsExports
Imports
$5.1MYoY · free account
Exports
$2.2MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $80.3M of Parts for Auxiliary Boiler Plants and Condenser Parts.
Through August 2026 · exports 10 of 12 months reported. Source: U.S. Census Bureau.
Imports · August 2026
origin
Germany and Mexico together supply 58% of it. China pays 41.0% duty; Mexico 0.0%.
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
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