Boiler Economizer Module from Canada
Heat recovery module installed in boiler exhaust stacks to preheat feedwater using waste gases from steam generation. Falls under HTS 8402.90.00.90 as a performance-enhancing part of vapor boilers.
Duty Rate — Canada → United States
14.3%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include energy efficiency certifications (e.g
• EPA ratings) for preferential tariff treatment
• Document exhaust gas temperature specs to differentiate from HVAC heat exchangers