The sensor is optimized to detect flaming fires such as those caused by paper kitchen grease and other fast combusting materials.
First alert smoke detector battery replacement.
In the six decades since we have continued to create innovative products from the first residential smoke alarm to the first battery operated carbon monoxide alarm.
In this article you ll learn how to replace a 9v battery in a smoke alarm.
The battery should be replaced once per year.
Back of the alarm.
The first alert hardwired smoke alarm with battery backup comes equipped with an ionization sensor to provide the earliest possible warning of a fast flaming fire.
First alert began in 1958 when three friends set out to create a commercial smoke alarm.
Hardwired photoelectric smoke and co alarm.
How to replace a 9v battery.
The first alert 9120b hardwired smoke alarm with battery backup comes equipped with an ultra reliable ionization sensor to provide the earliest possible warning of a fast flaming fire.
Use the plastic tab to gently open the battery compartment.
Photoelectric smoke and co alarm with sealed battery.
Some first alert or brk alarm models run on a 9 volt battery or backup battery.
The sensor is optimized to detect flaming fires such as those caused by paper kitchen grease and other fast combusting materials.
Remove the old battery.
The alarm will now chirp once a minute for up 15 minutes before resetting.
First alert began in 1958 when three friends set out to create a commercial smoke alarm.
There are a number of possible causes for your smoke alarm to keep chirping even with a new battery.
Carbon monoxide plug in alarm with battery backup.
Basic plug in carbon monoxide alarm with battery backup.