8419.90.10.00/Flue Exhaust Pipe Assembly for Instantaneous Gas Heaters/Canada

Flue Exhaust Pipe Assembly for Instantaneous Gas Heaters from Canada

Stainless steel concentric flue pipe set venting combustion exhaust while drawing intake air in tankless water heaters. HTS 8419.90.10.00 applies as essential safety part for non-electric instantaneous heaters. Design prevents carbon monoxide buildup during on-demand operation.

Duty Rate — Canada → United States

10%

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
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Import Tips

• Include UL or equivalent certification for venting safety to support tariff heading

• Document concentric design specs distinguishing from standard chimney pipes

Flue Exhaust Pipe Assembly for Instantaneous Gas Heaters from Canada — Import Duty Rate | HTS 8419.90.10.00