First Alert SA9120BPCN Hard Wired Smoke and Fire Detector With Adapter Kit

4.5 stars
43 reviews ratings
Q&A
Walmart #: 553101086
$16.95
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  • Alarm is wired directly into your home's electrical system
  • Includes battery backup
  • About this item

      Protect your home with the First Alert SA9120BPCN Hard Wired Smoke and Fire Detector With Adapter Kit. It can be wired directly into your home's electrical system, and it has a battery backup for protection during power failures. It has an easy-access battery drawer so you can change the battery without removing the alarm from the ceiling. You can check to make sure it is functioning properly with a single button test. This hard-wired smoke detector has a mute feature to silence the detector during false alarms and testing. It can be easily replaced without rewiring, using the included adapter plugs.

      Alarm is wired directly into your home's electrical system
    • Includes battery backup to ensure alarm works during power outages
    • Mute feature silences detector when nuisance alarm sounds
    • Single button tests detector functions
    • Includes adapter plugs to easily replace other detectors without rewiring
    • Can integrate with up to 12 other First Alert or BRK hard wired alarms
    • Easy-access battery drawer; no need to remove alarm from ceiling to change battery
    • Includes manufacturer's 10-year limited warranty
    • Meets UL standards

    Specifications

    Multi Pack Indicator: No
    Model No.: SA9120BPCN
    Shipping Weight (in pounds): 2.5
    Product in Inches (L x W x H): 1.93 x 7.5 x 12.5
    Assembled in Country of Origin: USA or Imported
    Origin of Components: USA or Imported
    Walmart No.: 553101086
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    Customer reviews

    Customer Reviews | 43 reviews | 4.3 out of 5

    4.5 stars

    43 reviews | 4.3 out of 5

    5 stars
    27
    4 stars
    10
    3 stars
    1
    2 stars
    0
    1 stars
    5
    86%
    Would recommend to a friend

    Age

    Gender

    Excellent Replacement
    1/23/2009

    Customer review by SemiHandiman

    5.0 stars by SemiHandiman

    I was concerned about compatibility with the plug in connection to my hardwired system. Not only was this the same connector as I had for a BRK 4120SB, but the adapter kit has wire sets to convert for other manufacturers' connectors. I also learned in the process that BRK and First Alert are the same company. Complete replacement took 5 minutes -all the old parts gone and new parts installed and tested.

    Was this review helpful? (27) (0)
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    SemiHandiman
    Would recommend to a friend? Yes
    INEXPENSIVE SAFETY
    1/27/2011

    Customer review by LEWALL

    5.0 stars by LEWALL

    I had a hardwired smoke detector that was 30 years old and not functioning. It was not battery back up. I was looking for a replacement and found this one while wondering the aisles at Walmart. I didn't think they had one. But there it was on a shelf, and battery back up. It was easy to rewire the adapters. Everything I needed came in the package. I used the mount that came with. In about 10 minutes I was done. Tested and working both with the electric on and off. Wire it up right, and you can't go wrong.

    Was this review helpful? (9) (0)
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    LEWALL
    Breinigsvill, PA
    Would recommend to a friend? Yes
    Ownership:11 - 12 months
    Gender:Male
    Age:45 - 54
    Usage:Every day
    Good Product
    10/23/2010

    Customer review by Bobsopinion

    5.0 stars by Bobsopinion

    Very easy to install. I did not have a plug so I simply wired the one provided, followed the instructions and had it done within 10 minutes. Anyone can do it if they simply use a little common sense and follow the instructions.

    Was this review helpful? (7) (0)
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    Bobsopinion
    Northern California
    Would recommend to a friend? Yes
    Ownership:1 week or less
    Gender:Male
    Age:55 - 64
    Usage:Every day
    1-3 of 37 total reviews See all

    Customer Q&A

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    by an anonymous customer 11/29/2010
    • I would assume First Alert has taken this in consideration. I wold advise replacing the old base with the new one for esthetics.
      by Doityourselfer551/24/2013
      Was this answer helpful? (0) (0)
    • The wall or ceiling adapter is enclosed in the package. Just remove the old one from the wall or ceiling and screw the new one in its place. If the plug adapters are different than those supplied with the new unit then simply cut the old connector and wires from the the older unit and connect them to the new unit and plug into the connector that exists in the receptacle box.
      by CTXl12/29/2012
      Was this answer helpful? (0) (0)
    • Can not tell you about the First Alert mathc, but they do come with the wall mount ring. Mine was a perfect fit for the old one.
      by rpetty4/30/2012
      Was this answer helpful? (0) (0)
    • That is the model that I replaced 4919 that was 9 yrs. old. Yes! It does have a new bracket and the wiring harness is the same as the old one. This has a battery back up while the old one didn't but remember to REVERSE the position of the battery from what you see in the package and point the contacts toward the inside; they don't show or explain that in the instructions. When I installed mine it kept chirping and I couldn't understand it until I REVERSED THE BATTERY. Good Luck! I hoped this helped? Recommended by Consumer Reports!
      by HunterforBargains7/2/2011
      Was this answer helpful? (1) (0)
    • I am an Electrician, and yes, all new smoke heads come with a new base mounting plate... I'm pretty sure it will not fit on an older unit's base...
      by An anonymous customer11/4/2014
      Was this answer helpful? (1) (0)
    1-3 of 17 questions See all

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    Warranty Plan

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    Product warranty: 10 Years See details

    Supplier Warranty: 10-Year Limited
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