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