Most carbon monoxide alarms are designed to be replaced every 5 years.
When your alarm nears its end of life, it will let you know by beeping 2 times every 30 seconds.
Modified on: Wed, 29 Sep, 2021 at 1:54 AM
Most carbon monoxide alarms are designed to be replaced every 5 years.
When your alarm nears its end of life, it will let you know by beeping 2 times every 30 seconds.
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