Ionization Smoke Detector Test/Reset Button Assembly from Canada
Integrated test and hush button module specific to ionization smoke detectors, including circuitry to verify radiation chamber operation. Under HTS 9022.90.70.00 as a functional part testing ionizing radiation response in smoke apparatus. User-friendly design reduces nuisance alarms.
Duty Rate — Canada → United States
11%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify 'ionization detector exclusive' in commercial invoice descriptions
• Include accessibility compliance docs for ADA-marketed products
• Batch test for 5-year functionality to support warranty claims