i4 Series System Sensor combination carbon monoxide (CO)/smoke detectors
Class II - ModerateWhat Should You Do?
- Check if you have this product: (About 1,450)
- Do not eat it: Even if it looks and smells fine, do not consume this product.
- Throw it away or return it: You can return the product to the store for a full refund.
- Report problems: Report any issues to the FDA's Safety Reporting Portal.
Recall Details
- Company:
- System Sensor, of St. Charles, Ill.
- Reason for Recall:
- The detectors can fail to detect carbon monoxide gas in the home, posing a risk of carbon monoxide poisoning.
- Classification:
- Class II - Moderate
Products that might cause a temporary health problem, or pose a slight threat of a serious nature.
- Status:
- ongoing
- Hazard:
- The detectors can fail to detect carbon monoxide gas in the home, posing a risk of carbon monoxide poisoning.
- 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.
Product Images


Product Information
Full Description:
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.
Product Codes/Lot Numbers:
(About 1,450)
Official Source
Always verify recall information with the official CPSC source:
View on CPSC.govCPSC Recall Number: 15077
Related Recalls
System Sensor reflected beam smoke detectors
System Sensor, of St. Charles, Ill.
When used with certain power supplies, the reflected beam smoke detectors can fail to send a signal to the fire alarm control panel that sounds the alarm and fail to alert occupants of a fire.