HVAC System Washer Seals from China
Vulcanized rubber washers and seals used in air conditioning units for duct connections and compressor housings. Falls under HTS 4016.93.50 as other unspecified gaskets and seals of vulcanized rubber, not hard rubber. Ensures airtight and watertight joints in residential HVAC equipment.
Duty Rate — China → United States
37.5%
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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Provide performance specs like pressure and temperature ratings to distinguish from Chapter 84 appliance parts
• Ensure FDA compliance if used in food-related HVAC; label as non-toxic rubber
• Bundle with installation instructions but avoid complete assemblies to prevent set classification