Replacement Ionization Chamber for Residential Smoke Alarms from China
Factory replacement ionization chamber for popular household smoke detectors like First Alert models, containing the radioactive foil and electrodes. HTS 9022.90.70.00 applies as a part of ionizing radiation-based smoke detection apparatus. Designed for easy snap-in installation to extend detector life.
Duty Rate — China → 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
Import Tips
• Package as 'consumer replacement part' with model compatibility list for retail entry
• Ensure serialization for NRC inventory tracking of radioactive components
• Test for UL 217 compatibility before bulk import to avoid returns