The First Alert 120VAC Hardwired Smoke Alarm with Battery Backup works exceptionally well in detecting flaming fires. Capable of wiring directly into your home's electrical system, these alarms feature a near effortless installation process. This alarm comes equipped with a Mute Button that serves the dual purpose of quickly silencing your alarm as well as testing its function.
First Alert's series of 120VAC Hardwired Smoke Alarms with Battery Backups also come equipped with an EZ access battery door that removes the hassle and burden of collecting your alarm from the ceiling and replacing its batteries. The combination of a Battery Backup that provides optimal protection in the event of a power outage and an increased emphasis on the unit's 85d output establish the ultimate in peace of mind. This alarm comes with a 10 year limited warranty and complies with UL217 Standards. Save additionally with the purchase of this bundle.
This alarm is also capable of interconnecting with up to 12 other First Alert or BRK hardwired alarms.
This smoke & fire alarm is for you if:
● You want alarms wired directly into your home's electrical system with the added safety of a battery backup.
● You want to easily mute unwanted alarms with the press of a button.
Where To Place Safety Smoke Alarms: One in every bedroom, and at least one on every level of the home.
First Alert Smoke Alarm SA9120BCN
Average Customer Rating Based on 126 reviews:
Replacing very old Smoke detectors - 11/12/2015
Reviewer: Peter Dunbar
I needed to replace a pair of interconnected 30 year old 120volt DC backup detectors, one of which malfunctioned. After calling first alert technical support they quickly found the appropriate model replacement. My model was out of date by many years. Within a week the new detectors arrived and it was a simple task to replace the old model. Excellent product, excellent service
Smoke Alarm - 11/01/2015
Reviewer: Sarah Gold
These smoke alarms were very easy to install, as I needed to replace some that were about 20 years old. They were compatible with what I had and it was such a relief to know I now have safe smoke alarms in my home.
Great - 10/27/2015
Reviewer: Karen C Jones
Very pleased had model number I needed.
Were very easy to chage out from my origional smoke detectors - 10/23/2015
Reviewer: Forest Bennett
Had no problem in changing from the older S.D. to the new ones I replace your batteries with Lithium Ion batts. Smoke detectors are the cheapest insurance you can buy.
Replacement. - 10/09/2015
Reviewer: Len Gregg
Easy to replace existing detectors with this model less of an expense than the ionization model. Still functions well as a interconnected group.
Reviewer: Joseph DePiano
Excellent directions that I could understand and fit right into the existing outlet. Very good assistance from customer service.
Simple, no frills detector - exactly what I was looking for. - 09/16/2015
Reviewer: Ladislav Sedivy
These replaced older units that were installed when the house was built. Installation was a piece of cake, included batteries was a nice touch. I'll be back in seven years...
Reviewer: Allan Irwin
Works like the original!
Service - 08/05/2015
Reviewer: John Donnelly
The service was excellent and the reps were very helpful.
Reviewer: tim coghlan
Replaced 12 year old hardwired unit, relatively easy to change. Hope to NEVER find out how well it works.
Q: What is the proper placement of smoke alarms?
A: It is important that you have the proper placement for your smoke alarms. Install your alarms at least 20 feet from appliances like furnaces and ovens, which produce combustion particles. Alarms should be at least 10 feet from high humidity areas like showers and laundry rooms, and at least 3 feet from heat/AC vents. Be sure to install a smoke alarm in each bedroom, one at the top of each stairwell, and one on every level.
Q: My smoke alarm keeps chirping and beeping. Why does my smoke alarm chirp intermittently?
A: It is likely that the reason your smoke alarm keeps chirping and beeping is that the battery is low. Whenever your smoke alarm keeps chirping, replace the battery immediately.
Other reasons include: It could be a different device or appliance such as a security system, monitor, carbon monoxide alarm, or other device which has a similar low battery or alert signal. Some of the same factors that cause unwanted alarms can cause intermittent alarms: dust and insects in the alarm or power interruptions in hardwired alarms. Improper wiring on AC or AC/DC smoke alarms. AC alarms will chirp every 5 seconds if the interconnect wire is grounded. The orange interconnect wire should NEVER be grounded; it should only be used to interconnect other smoke alarms or compatible devices.
Q: Why doesn't my smoke alarm sound when I push the test button?
A: It is important that you frequently test your smoke alarms. When you are testing your smoke alarm, there are a number of reasons why the alarm might not sound:
Q: Why does my smoke alarm go off when I install a battery or turn on the AC power?
A: It is normal for smoke alarms to go off and sound briefly (up to 5-10 seconds) when you install a new battery or when they are powered up. If the alarm continues to go off and no smoke is present, the cause may be one of the following:
Q: My smoke alarm keeps chirping, even with a new battery. What is causing this?
A: There are a number of possible causes for your smoke alarm to keep chirping even with a new battery.
Q: I lost my First Alert smoke alarm owner's manual. How can I get a new one?
A: First Alert smoke alarm owner's manuals are available online for download at no cost. Find your alarm in our Smoke Alarms section.
Q: Why does the National Fire Protection Association (NFPA) recommend that home smoke alarms be replaced after 10 years?
A: Smoke alarms have a limited life. Although each smoke alarm and all of its parts have passed many stringent tests and are designed to be as reliable as possible, any of these parts could fail over time. Therefore, you must test the devices weekly. The unit should be replaced immediately if it is not operating properly. The performance of smoke alarms older than 10 years is simply not reliable. To ensure your family's safety, all carbon monoxide and smoke/CO combination alarms need to be replaced every 5-7 years. All smoke alarms need to be replaced every 10 years.
If it's time to replace your alarms, consider the NEW 10-Year Life series and never have to worry about a battery replacement for the life of the alarm.10-Year alarms are available in smoke,carbon monoxide and combination alarms.