Some first alert or brk alarm models run on a 9 volt battery or backup battery.
First aid smoke alarm change battery.
Be sure the battery is new so that it lasts the full ten year life expectancy of most home smoke detectors.
It is important that you check and test home smoke alarms often replace the batteries in order to ensure they are working properly.
Basic plug in carbon monoxide alarm with battery backup.
How to replace a 9v battery.
Back of the alarm.
The first alert brk smoke detector is wired directly into your home s electrical system.
Carbon monoxide plug in alarm with battery backup.
Combustible materials use oxygen to burn and produce carbon monoxide as a by product.
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Photoelectric smoke and co alarm with sealed battery.
Hardwired photoelectric smoke and co alarm.
What do first alert smoke or co alarms sound like.
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A carbon monoxide detector will sound an alarm if it detects co gas nearby.
Use the plastic tab to gently open the battery compartment.
Co can be caused by faulty heating equipment particularly flues.
Remove the old battery.
Carbon monoxide is a lethal and unfortunately odorless gas.
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However the best smoke alarms are no use if they do not have working batteries.
Carbon monoxide alarms measure co levels in the air.
The battery should be replaced once per year.
The battery backup ensures the warning system works even if the power is out.
Generally most smoke detectors use a 9 volt battery for power though you should always follow the directions that came in your smoke detector manual.
These mechanisms come with a battery backup as well as a mute button.
The smoke alarms throughout your home help play a crucial role in keeping you and your family safe by alerting you to potential dangers.