First Alert CO400B Carbon Monoxide Alarm
Battery-operated electrochemical carbon monoxide detector that sounds visual/audible alarms for fire safety systems. Similar apparatus under HTS 8531.10.0045 for gas detection tied to fire alarms.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sold as gas/smoke analysis instrument
Laboratory or industrial gas detectors classify under Chapter 90 measuring instruments.
If hardwired residential installation
Hardwired CO/fire combination alarms use the 0040 statistical suffix.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• UL 2034 certification essential; specify sensor life (5-7 years); avoid mixing with smoke-only declarations
Related Products under HTS 8531.10.00.45
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Universal 2GIG Glassbreak Sensor
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Honeywell 5800 Series Wireless Smoke Detector
A battery-powered wireless smoke and fire alarm detector that uses photoelectric sensing technology to detect smoldering fires and sends alerts via radio frequency to a central control panel. It falls under HTS 8531.10.0045 as a fire alarm apparatus, distinct from vehicle signaling devices of heading 8512 or electrical switches of heading 8530.