NightHawk Smoke/CO Alarm (Kidde) – Alarm Failure (2016)
Check Your Product
According to the U.S. Consumer Product Safety Commission (CPSC)
Product
Kidde NightHawk combination smoke/carbon monoxide (CO) alarms
Lot Codes / Batch Numbers
Not specified in CPSC notice. Check official source for details.
Product Images
Source: U.S. Consumer Product Safety Commission
A manufacturer is recalling Kidde NightHawk combination smoke/carbon monoxide (CO) alarms. The hazard is: The alarm can fail to continue to chirp when it reaches its 7-year end of life if the batteries are . Based on CPSC recall notice.
Summary derived from CPSC notice
The following details were not provided by CPSC: UPC codes.
Reason for Recall
As stated by CPSC
This recall involves Kidde NightHawk talking combo smoke/CO alarm with model number KN-COSM-IB and manufacture dates between June 1, 2004 and December 31, 2010. The alarms are hard-wired into a home's electric power. The unit has a compartment on the back for the installation of a replaceable 9V backup battery. The alarm is white, round and measures about 5 to 6 inches in diameter. "Kidde" is engraved on the front of the alarm. "Kidde," the model number and manufacture dates are printed on a label on the back on the alarm.
Reported concern (CPSC)
The alarm can fail to continue to chirp when it reaches its 7-year end of life if the batteries are replaced, leading consumers to believe it is still working. This poses a risk of consumers not being alerted to a fire or CO incident in their home.
Recommended Action
Per CPSC guidance
Consumers should immediately stop using the recalled alarms and contact Kidde directly for a free replacement alarm based on date of manufacture or a discount on a new alarm.
Verify this information on the official source
For complete details and official instructions, check the U.S. Consumer Product Safety Commission (CPSC) directly.
View official CPSC recall noticePage updated: Jan 6, 2026