Heat Pump Defrost Control Board from China

Electronic circuit board managing defrost cycles, sensors, and reversing valve signals in outdoor heat pump units. Falls under HTS 8415.90.80.70 as a control part essential for heat pump operation in heating mode under freezing conditions.

Duty Rate — China → United States

18.9%

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
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 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(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)

Import Tips

Include FCC compliance for electronic components to pass customs electronics checks

Provide wiring diagrams showing integration with heat pump reversing valve and sensors

Avoid misclassification by specifying 'for heat pump defrost' vs generic HVAC boards