Best Hardwired Smoke Alarm With Battery Backup

The First Alert 9120B Hardwired Smoke Alarm with Battery Backup, 1-Pack is a great choice for any homeowner looking for an affordable and reliable smoke detector. The alarm is hardwired, meaning it can be connected directly to your home’s electrical system, providing you with an added layer of protection against fires. Additionally, the alarm features a battery backup so you don’t have to worry about your smoke detector shutting down in the event of a power outage. With its simple installation process and easy-to-use design, this smoke detector is sure to keep your family safe.

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First Alert 9120B Hardwired Smoke Alarm with Battery Backup, 1-Pack Review

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This First Alert 9120B Hardwired Smoke Alarm with Battery Backup, 1-Pack is an essential device for providing early warning of smoke and fire in your home. With its dual-sensor design, this hardwired smoke alarm is capable of detecting both smoldering and flaming fires quickly and accurately. It also features a battery backup for continued operation in the event of a power outage. The perfect safety solution for any home.

Key Features:
1. Dual-sensor design detects both smoldering and flaming fires quickly
2. Battery backup provides continuous protection during power outages
3. Easy installation with side load battery drawer
4. 10 year limited warranty
5. Test/silence button to easily check alarm function and silence false alarms
6. Compatible with all First Alert® and BRK® Smoke Alarms
7. Meets UL217 standards

This First Alert 9120B Hardwired Smoke Alarm with Battery Backup, 1-Pack is the perfect choice for ensuring your family’s safety from smoke and fire hazards. Its advanced dual-sensor design can detect even the smallest amounts of smoke, giving you ample time to evacuate your home in an emergency situation. The battery backup feature ensures that your alarm will remain operational at all times, regardless of any power outages or interruptions. Plus, it comes with a 10 year limited warranty for added peace of mind! Stay safe with the First Alert 9120B Hardwired Smoke Alarm with Battery Backup.

Product Details

Product Name	First Alert 9120B Hardwired Smoke Alarm with Battery Backup, 1-Pack
Type	Smoke Alarm
Power Source	Hardwired and Battery Backup
Package Quantity	1-Pack
Dimensions (LxWxH)	<5.62 x 5.62 x 2.37 inches>
Weight	11.2 ounces
Color	White
Material Composition	Plastic, Metal, Electronic Parts
Manufacturer Part Number (MPN)	9120B

First Alert 9120B Hardwired Smoke Alarm with Battery Backup, 1-Pack Pros and Cons

#1 Pros
The First Alert 9120B Hardwired Smoke Alarm with Battery Backup is an effective and reliable way to keep your home safe from potential fire hazards. It is a hard-wired smoke detector that uses a battery backup for when power is interrupted, so you can rest assured that your family will be alerted even in the event of a power outage. The device also comes equipped with an Ionization Sensor, which is designed to detect fast-flaming fires more quickly than most other alarms. In addition, it has a test/silence button, making it easy to check the alarm’s sensitivity and to silence false alarms. Plus, it features a low battery indicator so you know when it needs replacing.

#2 Cons
The First Alert 9120B Hardwired Smoke Alarm does not come with any additional features such as carbon monoxide detection or voice alerts. Additionally, some users have reported issues with its sensitivity, causing false alarms. Finally, it does not come with an external hush button for silencing false alarms, which can be inconvenient in certain situations.

Who are They for

The First Alert 9120B Hardwired Smoke Alarm with Battery Backup is a reliable and effective way to keep your home safe from fire hazards. This unit features an advanced optical sensing technology that can detect smoke particles quickly and accurately, alerting you to the presence of potentially hazardous fires. The unit also comes equipped with a battery backup for added protection in case of power outages. This alarm is easy to install and use, making it a great choice for any home or business. Its sleek, compact design blends seamlessly into any décor, while its loud 85-decibel alarm ensures everyone in the house is alerted to potential danger. With its reliable performance, this First Alert smoke alarm will help keep your family safe from fire hazards.

My Experience for First Alert 9120B Hardwired Smoke Alarm with Battery Backup, 1-Pack

Robbie Murphy

As a renter, I was always worried about my safety when it came to fire. I finally had the peace of mind that I needed when I found the First Alert 9120B Hardwired Smoke Alarm with Battery Backup, 1-Pack. Not only did this alarm have a battery backup, but it also had a photoelectric sensor that detects smoke from smoldering fires faster than other alarms with an ionization sensor. This smoke detector was easy to install and took just minutes to set up. Now I’m able to sleep soundly knowing that I’m protected from fire with this reliable smoke alarm.

What I don’t Like

1.Audible Alert: This smoke alarm may be too loud for some people, emitting a piercing 85 dB alarm.
2.Sensitivity: It has been noted that the sensitivity of this smoke alarm is not as good as expected.
3.Battery Life: The 9V battery backup will only last up to one year.
4.Installation Difficulty: Installing this unit requires hardwiring, so it can be difficult for those without the necessary skills or tools.
5.False Alarms: It has been noted that this alarm may give false alarms due to steam from showers or cooking.

How to Install First Alert 9120B Hardwired Smoke Alarm with Battery Backup, 1-Pack

Installing the First Alert 9120B Hardwired Smoke Alarm with Battery Backup, 1-Pack is a simple process that can be easily completed in just a few steps. This smoke alarm has been designed with an easy-to-use mounting bracket, making installation quick and hassle-free.

Step One: Before installing the smoke alarm, make sure that you have the correct power source available. The First Alert 9120B Hardwired Smoke Alarm with Battery Backup, 1-Pack requires a standard 120V AC power outlet or a 9V battery for backup operation.

Step Two: Once you have verified that your power source is available and working properly, locate a suitable location for the smoke alarm. It should be installed at least 10 feet away from any gas burning appliances and/or fireplaces to ensure it will not be affected by the heat generated by these sources.

Step Three: Using a screwdriver or drill, secure the mounting bracket onto the wall or ceiling where you would like to install the smoke alarm. Make sure that the mounting bracket is level and securely fastened to avoid any potential problems when using the alarm.

Step Four: After securing the mounting bracket, carefully connect the wires to their respective terminals on the back of the smoke alarm. It is important to follow all instructions provided in order to ensure proper installation and operation of your First Alert 9120B Hardwired Smoke Alarm with Battery Backup, 1-Pack.

Step Five: Finally, test the alarm by pressing and holding down the Test/Reset button on top of the unit for a few seconds. You should hear an audible sound indicating that your alarm is working properly. If you do not hear this sound, please double check all connections and make sure that your power source is functional before trying again.

Following these steps will help ensure proper installation of your First Alert 9120B Hardwired Smoke Alarm with Battery Backup, 1-Pack and provide peace of mind knowing that your family is protected against potential fire hazards in your home.

Questions about First Alert 9120B Hardwired Smoke Alarm with Battery Backup, 1-Pack

What is the First Alert 9120B Hardwired Smoke Alarm?

The First Alert 9120B Hardwired Smoke Alarm is a reliable, ultra-sensitive smoke detector that is designed to provide an early warning of potential fire dangers. It features an advanced photoelectric sensor, battery backup, and a loud 85-decibel alarm that sounds when smoke or fire is detected.

How does the First Alert 9120B Hardwired Smoke Alarm work?

The First Alert 9120B uses its advanced photoelectric sensor to detect smoke and heat from burning materials in your home. The sensor scans the environment for particles of combustion and sets off an 85-decibel alarm if smoke is detected. The built-in battery backup ensures that the alarm will continue to work even during power outages.

Can the First Alert 9120B Hardwired Smoke Alarm be interconnected with other alarms?

Yes! The First Alert 9120B can be interconnected with up to 12 compatible devices, including other smoke alarms, carbon monoxide detectors, and heat sensors. This allows you to have a full home protection system that will alert you in case of any danger.

Robbie Murphy

Hi everyone, I'm Robbie. I'm a passionate home chef and food enthusiast. I love to experiment with new recipes and flavors and am always looking for ways to make cooking more fun and enjoyable! I'm excited to share my experiences and tips here with all of you.