How Often Should You Change the Batteries in Your Smoke Detector?The smoke detectors s throughout your home help play a crucial role in keeping you and your family safe by alerting you to potential dangers. However, smoke alarms are no use if they do not have working batteries. It is important that you take the time to check and test home smoke detectors often and change the batteries to ensure they are working properly. Show
What Smoke Alarm Do You Have?The National Fire Protection Association (NFPA) recommends changing the batteries in your smoke alarm every 6 months. At First Alert, we offer 10-year smoke alarms that have a built-in 10-year battery, which eliminates the need for battery replacements for the life of the detectors. We also offer hardwire fire alarms with a battery backup, for protection during power outages. Testing and Changing Your Fire Alarm BatteryIt is recommended you test your detectors at least once a month to ensure they are working properly. If your smoke alarms are powered by a nine-volt battery, the battery should be replaced every 6 months, while the alarm itself should be replaced once every 10 years. For 10-year lithium-powered fire detectors, you won’t need to replace the battery. Instead, the entire alarm should be replaced after 10 years have passed from the manufacture date on the back of the alarm. If your alarm is hardwired into your home’s electrical system, replace the backup battery at least every 6 months and replace the smoke alarm itself once every 10 years. Signs You Need to Replace the Batteries In Your Smoke DetectorYou’ll likely notice a high-pitched chirping noise coming from your fire alarm if the batteries need to be replaced. It is best to be proactive and change the batteries in your smoke detectors before the low battery chirp occurs. When you change the batteries in one fire alarm, make sure you change the batteries in the rest of the detectors in your home as well. A helpful reminder to check your smoke alarms and change the batteries every 6 months is Daylight Saving Time. Check your fire detectors when you change your clocks. Installing smoke detectors will help keep you and your family safe. Browse our website to learn more about fire alarms or other fire-related equipment such as fire escape ladders, fire extinguishers, and more! Enter the characters you see belowSorry, we just need to make sure you're not a robot. For best results, please make sure your browser is accepting cookies. Type the characters you see in this image:Try different image Conditions of Use Privacy Policy © 1996-2014, Amazon.com, Inc. or its affiliates 10 Year Battery Smoke Detector Availability: In Stock To be notified when this item is back In Stock, please enter your Email Address below:
Hardwired Smoke Alarm with Battery BackupThe First Alert 9120LBL Hardwired Interconnected Smoke Alarm with Lithium Battery-Backup is a great choice when it comes to affordable smoke alarms. In the event of a power outage, this smoke alarm is equipped with a 10 year lithium battery back-up. Ionization Sensor Reliably Detects Flaming Fires The First Alert 9120LBL 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. The sensor is optimized to detect flaming fires, such as those caused by paper, kitchen grease, and other fast-combusting materials. This smoke alarm also implements Smart Technology to drastically reduce the number of nuisance alarms triggered. Gasket-less for Easy Installation To facilitate hassle-free installation, this smoke alarm features a perfect mount system that includes a base and a mounting bracket. This keeps the alarm secure over a wide rotation range that allows for true alignment. Latching Alarm Indication In addition to functioning independently, this smoke alarm can also integrate with up to 12 other First Alert or BRK hardwired alarms for coverage of larger spaces. It also integrates with up to six other compatible devices, such as bells, horns, and repeaters. If one alarm in the series is triggered, they will all sound. The alarm features a latching indicator to identify which unit triggered the alarm, alerting you to the area of danger. 10-Year Lithium Battery Backup The First Alert 9120LBL Hardwired Interconnected Smoke Alarm features a built-in 10-year lithium battery backup that provides continuous power for the life of the detector. An end-of-life timer lets you know when the device should be replaced. First Alert BRK Brands Hardwired Ionization Smoke Alarm 9120LBL
How to Install First Alert 9120LBL Hardwired Smoke Alarms:In this guide, we'll be showing you how to install First Alert Hardwired Smoke and Carbon Monoxide Alarms. Here are a few items you'll need before starting the installation process: Needle-nose pliers or utility knife, screwdriver, wire stripper, wire nuts and a ladder. Hardwired Smoke or Carbon Monoxide Alarm Requirements:
Connecting First Alert Hardwired Alarms to 120V WiringTo begin, turn off power at the junction box and connect your alarm to the building's electrical wiring.
Mounting First Alert Hardwired Alarms
Installing Additional and/or Interconnecting First Alert Hardwired AlarmsIf you are installing more smoke or carbon monoxide alarms, you'll want to repeat the process throughout the building. Interconnected smoke and co alarms must meet all requirements:
If you have any doubts or reservations about these interconnect requirements, please contact an experienced electrician to install your wiring and hardwired alarms. Restoring Power and Testing Hardwired AlarmsOnce you've installed your hardwired alarms, you'll want to restore power to the junction box. Under regular operation, the power indicator light on the alarm will shine/blink to indicate that it is receiving AC power. Here's how you can test standalone or interconnected alarms:
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: 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: 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.
First Alert 9120LBL BRK Brands Hardwire Smoke Alarm with 10-Year Battery Videos If you are interested in ordering a large quantity of items you may qualify for volume pricing discounts. Volume Discount Pricing is a great way for customers to save big on large, bulk orders of most items available in our store. Please send a bulk order request to our friendly sales staff so they may create a quote and provide personal service for your order! You will receive a response within 1-2 business days and our office hours are Monday through Friday, 8am-5pm CST.
Customer ReviewsFirst Alert 9120LBL BRK Brands Hardwire Smoke Alarm with 10-Year Battery Reviews View More Reviews... How do you stop a hardwired First Alert smoke detector from beeping?All First Alert Alarms come with a Test Button. With the battery removed from the unit, press and hold this button for 30 seconds. This will fully reset the alarm, removing the residual charge of the previous battery.
Why is my smoke alarm chirping if it's hard wired?Most hard-wired smoke detectors use a 9-volt battery that is supposed to kick in if your home loses electricity. When that battery is running low, your detector alerts you with a chirp that it's running low. Replacing the battery solves the problem.
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