HVAC System O-Ring Seals from Canada
Circular vulcanized rubber O-rings used in air conditioning units to seal refrigerant lines and prevent leaks. Falls under HTS 4016.93.5050 as other unspecified seals of vulcanized rubber, essential for HVAC system integrity.
Duty Rate — Canada → United States
62.5%
Rate breakdown
9903.03.1450%Articles the product of Canada as provided in subdivision (b)(3) of U.S. note 51 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide cross-sectional diagrams and durometer hardness specs to distinguish from plastic seals in Chapter 39
• Ensure FDA compliance if for food-related HVAC; otherwise, standard rubber import rules apply
• Bundle with installation instructions to demonstrate non-specific machinery use, avoiding Chapter 84