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Electronic Air Handler Defrost Controller from Canada

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 — Canada → United States

11.7%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

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