Gas-to-Gas Boiler Economizer from Mexico
Air preheater recovering flue gas heat to preheat combustion air for boilers, HTS 8404.10.0050 auxiliary plant. Typically rotary regenerative or tubular recuperative design for gas-fired units.
Duty Rate — Mexico → United States
13.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Provide combustion air flow/pressure drop data for boiler matching
• Include basket/basket material specs for rotary units
• Distinguish from general HVAC air heaters