Use the single test button to check the functionality of the device.
First alert battery replacement 9v.
Brk and first alert battery smoke alarms are designed to be easy to install easy to maintain and quality engineered for years of virtually.
9v has been the battery of choice for smoke alarms for many years.
In this article you ll learn how to replace a 9v battery in a smoke 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.
Rechargeable batteries are not recommended.
The battery should be replaced once per year.
This combination fire and co detector features a test silence button and tamper resistant locking brackets.
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The first alert sa300cn3 battery operated ionization smoke alarm is ideal for detecting fast flaming fires.
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Some first alert or brk alarm models run on a 9 volt battery or backup battery.
How to replace a 9v battery.
Use the plastic tab to gently open the battery compartment.
Use brand name duracell energizer or everready batteries with an expiration date 4 years from today s date.
The battery in your smoke alarm should be something that you can rely on.
It includes a 9 volt battery for backup and continued function in the event of a power outage.
Refer to the chart to find the right batteries for common first alert alarms.
The sensor is optimized to detect flaming fires such as those caused by paper kitchen grease and other fast combusting materials.
The first alert sc9120b hardwired combination smoke and carbon monoxide alarm is a hardwire alarm with battery backup.
Remove the old battery.
Change smoke alarm battery.
Replacement battery types most detectors take aa or 9v batteries.