System Sensor Recalls Combination Carbon Monoxide and Smoke Detectors Due to Carbon Monoxide Hazard
Recalled 2015-02-11. Carbon monoxide hazard. Here is what the CPSC published, and what you are owed.
About 1,450Units
2015-02-11Recall date
None reportedInjuries
The text below is quoted from the CPSC notice word for word.
- What was recalled
- This recall involves System Sensor i4 series combination carbon monoxide/smoke detector models COSMO-2W and COSMO-4W manufactured between 9/3/14 and 9/13/14. The detectors are round, white, and measure about 5.5 inches in diameter. Recalled units have date codes 4091 or 4092 printed on the lower left-hand corner of the label affixed to the back of the product and on the packaging.
- The hazard
- The detectors can fail to detect carbon monoxide gas in the home, posing a risk of carbon monoxide poisoning.
- Injuries
- None reported.
- The remedy
- Consumers should immediately contact System Sensor to obtain a free replacement combination CO/smoke detector. Consumers should keep using the recalled detectors until replacement detectors are installed.
The details
What a recall entitles you to
A refund, a repair or a replacement. The notice says which. It costs you
nothing and there is usually no receipt requirement.
Stop using the product first. Recalls do not expire. An old one still counts.
The full CPSC notice, including photographs, is at cpsc.gov.
Source: CPSC SaferProducts recall feed, retrieved 2026-08-06. Newest recall on file 2026-07-30.
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