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8403.90.00.00/Cast Iron Boiler Heat Exchanger/Mexico

Cast Iron Boiler Heat Exchanger from Mexico

A cast iron heat exchanger designed specifically as a replacement part for central heating boilers not of heading 8402. It facilitates the transfer of heat from combustion gases to water in the boiler system. Classified under HTS 8403.90.00.00 as a dedicated part of central heating boilers.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Verify compatibility with specific boiler models via manufacturer specs to avoid misclassification; ensure material composition documentation for cast iron content; obtain boiler part certification if required by local codes

Cast Iron Boiler Heat Exchanger from Mexico — Import Duty Rate | HTS 8403.90.00.00