Ionization Smoke Detector Replacement Head from Canada
A replaceable ionization chamber head for existing smoke detector bases, containing the americium source and sensor assembly. Falls under HTS 9022.29.40.00 as a dedicated part for ionizing smoke detection apparatus per chapter notes. Simplifies maintenance.
Duty Rate — Canada → United States
10%
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
Import Tips
• Classify as parts under chapter note 1(a) with compatibility specs for principal apparatus
• Strict radiation handling protocols required; use Type A packaging for transport
• Avoid misclassification as general parts under 9033 by specifying smoke detector use