Thermostatic Mixing Valve from China

A valve that mixes hot and cold water to maintain a constant output temperature, using a thermostatic actuator for safety in plumbing systems. Classified under HTS 8481.80.9045 for its thermostatic control in pipe appliances.

Duty Rate — China → United States

37%

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 test reports confirming mixing accuracy within 3°F to comply with plumbing codes

Declare as complete appliance, not parts, with assembly instructions for proper valuation

Avoid pitfalls by specifying end-use in residential plumbing vs industrial to prevent reclassification