Heat Pump Defrost Control Board from Canada
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 — Canada → United States
15%
Rate breakdown
9903.82.1015%Except as provided for in headings 9903.82.12, 9903.82.17 and 9903.85.68, derivative aluminum and steel articles with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent, as provided for in subdivision (f) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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