Electronic Air Handler Defrost Controller from China
This controller automatically manages defrost cycles in air handlers and refrigeration evaporators by sensing coil temperature and timing defrost to prevent ice buildup. It qualifies for HTS 9032.89.6025 as a specialized automatic control for refrigeration and heating systems. Used in cold storage and HVAC applications.
Duty Rate — China → United States
36.7%
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
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 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(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Import Tips
• Include wiring diagrams and sensor specifications in documentation
• Ensure labeling indicates compatibility with specific refrigerants (e.g
• R-404A)
• Avoid classifying as timers (9107); highlight temperature-based automatic control