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Gas-to-Gas Boiler Economizer from Canada

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 — Canada → United States

13.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

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