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First Alert CO400B Carbon Monoxide Alarm

The First Alert CO400B is a battery-operated electrochemical carbon monoxide detector that sounds an audible alarm when hazardous levels of CO are present in the atmosphere. It is designed for residential safety and falls under tariff item 8531.10.10 as indicating or automatic alarm equipment for detecting noxious gases.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—Free
PGA flags (2)Show detailsCNSCImport ControlMay be requiredHCConsumer Products SafetyMay be required
  • CNSC

    Import Control · May be required · on some HTS numbers under this code

    May require CNSC Import Control (Radiation Devices) depending on UNDG number (2908, 2909, 2910, 2911, 2912, 2913, 2915, 2916, 2917, 2919, 2977, 2978, 2321, 2322, 2323, 2324, 2325, 2326, 2327, 2328, 2329, 2330, 2331, 2332, 2334); or UNDG number (2908, 2909, 2910, 2911, 2912, 2913, 2915, 2916, 2917, 2919, 2977, 2978, 2321, 2322, 2323, 2324, 2325, 2326, 2327, 2328, 2329, 2330, 2331, 2332, 2335), and on the full 10-digit classification number (only some numbers under this code are listed). Matching criteria: Starts With 8531101010; Starts With 8531101090. Logic: MATCH IF (Valid HS Code) AND (one of Valid UNDG Codes).

  • HC

    Consumer Products Safety · May be required

    May require HC Consumer Products Safety depending on intended use (HC21) and Canadian product category (HC29, HC30, HC31, HC32, HC33, HC34, HC35, HC36, HC37); or intended use (HC22, HC23, HC24, HC26, HC27) and Canadian product category (HC37). Matching criteria: Starts With 85311010; Starts With 85311010; Equal To 8531101010; Equal To 8531101090; Equal To 8531101010; Equal To 8531101090. Logic: MATCH IF (Valid HS Code) AND (Intended Use Code) AND (Valid Canadian Product Category).

CBSA Single Window matching criteria, unknown

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8531.10.90Higher: 6.5% vs Free

If the alarm is not specifically for noxious gases or vapours

Other burglar or fire alarms and similar apparatus not covered by the specific noxious gas detection item.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Ensure the product meets Canadian certification standards (e.g

• CSA or ULC) for carbon monoxide alarms

• Declare the correct HS code 8531.10.10 to avoid delays

• Keep documentation of the product's specifications for CBSA review

Related Products under Tariff item 8531.10.10

AeroGrow 10-Year Worry-Free Battery Smoke Detector

This is a battery-powered smoke alarm with a sealed 10-year lithium battery, featuring voice location alerts and wireless interconnection. It is designed for residential fire safety without the need for annual battery replacement. It falls under tariff item 8531.10.10 as a smoke detector.

BRK 9120B Hardwire Smoke Alarm with Battery Backup

This is a 9V battery-powered photoelectric smoke alarm with a silence feature for nuisance alarms, designed for temporary or retrofit installations. It operates independently of AC wiring and provides fire detection through audible alarms. It is classified under tariff item 8531.10.10 as a smoke detector.

First Alert SA511CN Battery Operated Photoelectric Smoke Alarm

The First Alert SA511CN is a battery-operated photoelectric smoke alarm designed to detect slow-smoldering fires, featuring an 85-decibel alarm and test/silence button. It falls under tariff item 8531.10.10 as it is an automatic alarm for detecting smoke, which is a noxious vapour in the atmosphere.

First Alert SCO5CN Battery Smoke and CO Combination Alarm

The First Alert SCO5CN is a dual-sensor battery-powered alarm that detects both smoke and carbon monoxide, with distinct alarm patterns for each hazard. It falls under tariff item 8531.10.10 as it is an automatic alarm for detecting noxious gases (CO) and smoke, with CO detection being a key feature.

Google Nest Protect 2nd Gen Battery-Powered Smoke and CO Alarm

The Google Nest Protect 2nd Gen Battery-Powered Smoke and CO Alarm is a smart detector combining smoke and carbon monoxide sensing with app connectivity and voice alerts. It falls under tariff item 8531.10.10 as it is an automatic alarm for detecting noxious gases (CO) and smoke, with CO detection being a primary function.

Honeywell 1301 Battery Powered Photoelectric Smoke Alarm

The Honeywell 1301 is a battery-operated photoelectric smoke alarm with a 9V battery and 85dB horn, designed for reliable fire detection. It falls under tariff item 8531.10.10 as it is an automatic alarm for detecting smoke, which is a noxious vapour in the atmosphere.