9022.90.70.00/Ionization Chamber Module for Smoke Detectors/Canada

Ionization Chamber Module for Smoke Detectors from Canada

This is the core detection component in ionization-type smoke detectors that uses a small amount of radioactive material to ionize air between two electrodes, detecting smoke particles by changes in current flow. It falls under HTS 9022.90.70.00 as a part specifically for ionization smoke detectors, which rely on ionizing radiation for operation. These modules are precision-engineered for residential and commercial fire safety systems.

Duty Rate — Canada → United States

11%

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
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Import Tips

• Verify NRC licensing for radioactive components and include exemption certificates in documentation

• Label shipments clearly as 'radioactive material' per DOT/IATA hazardous goods rules to avoid delays

• Confirm compatibility with US detector standards (UL 268) to prevent CBP reclassification

Ionization Chamber Module for Smoke Detectors from Canada — Import Duty Rate | HTS 9022.90.70.00