Zinc Galvanized HVAC Duct Coupling
A cylindrical zinc sleeve coupling used to join HVAC duct pipes for air distribution systems. Classified under HTS 7907.00.20.00 as a zinc tube or pipe fitting for mechanical joining in ventilation applications.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If steel with zinc plating for HVAC use
Zinc-coated steel duct fittings are under Chapter 73 structures of iron/steel, not zinc articles.
If as parts of air conditioning units
Fittings specifically for AC machinery are classified in Chapter 84 under the complete machine's heading.
If not qualifying as tubes, pipes, or fittings
Other simple zinc castings or forgings fall under the residual 7907.00.60 subheading.
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Import Tips & Compliance
• Declare exact zinc content and alloy status; chapter notes distinguish pure zinc from alloys affecting duty rates
• Include HVAC system certification to prove civilian end-use and avoid anti-dumping scrutiny on Chinese-origin goods
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