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Economizer Heat Exchanger Module from China

A heat recovery device installed in boiler flues to preheat feedwater using waste flue gases, classified under HTS 8404.10.0050 as auxiliary plant for boilers of heading 8402 or 8403. It enhances boiler efficiency by recovering heat that would otherwise be lost.

Duty Rate — China → United States

41%

Rate breakdown

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Verify compatibility with specific boiler models under headings 8402/8403 via technical specs to ensure proper classification

Include detailed engineering drawings and material certificates to avoid misclassification as boiler parts under 8403.90