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Model #21029883

Store SKU #146389

Firex Hardwired Smoke Detector with Photoelectric Sensor and 9-Volt Battery Backup

$19.97
  • Smoke alarm requires hardwire installation
  • 9V battery backup for protection even during power outages
  • All interconnected alarms will sound when one alarm goes off
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Product Details

The Kidde FireX P12040 Hardwire inter connectable Photoelectric Smoke Alarm with Battery Backup can act as a stand-alone unit or can be integrated into an existing electrical system. This unit sounds an early warning to alert you and your family of the presence of visible fire particles detected by the alarm's photoelectric sensor. Powered by 120-Volt AC, this alarm protects you, your home and the people you hold dear even during power outages, thanks to a 9-Volt battery backup. A power harness facilitates an easy installation and a simple push of a button activates this alarm's test and hush features.
  • Utilizes photoelectric sensor to detect visible fire particles
  • Sounds an early warning when smoke or fire particles are detected
  • Many cities and states have created legislation requiring smoke alarms or specific types of smoke alarms in various settings. Certain laws also specify when homes need carbon monoxide alarms or other safety products. Understanding your local requirements can help you keep your home safe from the dangers of fire.
  • 120-Volt AC, 2-wire connection
  • Push-button operation tests alarm functionality
  • 9-Volt battery backup provides protection during power outages
  • 9-Volt battery included (21025730)
  • Pull tab keeps battery fresh until initial activation
  • Power harness makes installation fast and easy
  • Compatible with Kidde, FireX, Code One and Sentinel products
  • Learn how to install a smoke alarm
  • Smoke detector utilizes a photoelectric sensor to detect fire hazards and sounds an 85 db alarm when a hazard is detected
  • Dust cover protects sensor during construction
  • Kidde offers a full range of 120-Volt AC wire-in life safety products with interconnect capability to provide the most immediate and complete system available. When any one interconnected alarm is triggered, all interconnected alarms within the home sound an immediate warning
  • *Check with your state and local fire and Building/Safety codes for specific information regarding smoke & Carbon Monoxide Alarms.
  • UL/CSFM Ref. Kidde Part PE120
  • Click here for more information on Electronic Recycling Programs
  • Return Policy

Additional Resources

From the Manufacturer

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Specifications

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Questions & Answers

82Questions
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Q:Will this replace a ionization Smoke Alarm 1276 circa 2003 ?
by|Dec 28, 2022
1 Answer
Answer This Question

A:  Hello. Yes. The wiring harness will fit though it will be older and more stiff than the newer designed wiring harness plugs. The bracket will be different but changing out the bracket will just take a screwdriver and a ladder to change out.

by|Dec 29, 2022
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    Q:Do you have model #98163 in stock
    by|Dec 28, 2022
    1 Answer
    Answer This Question

    A:  Hello. Kidde doesn't have a model 98163. Home Depot model 98163 is 64 in. Brown Wood Farmhouse 5 Shelf Shelving Unit. Call your local Home Depot or visit the Pro Desk at your local Home Depot for more help.

    by|Dec 29, 2022
      caret
      Q:Can I use this to replace an old Firex model 120-1072C smoke detector installed by a contractor back in late 2003? If I can, is it possible to use an adapter instead of having to re-wire? If so, what adapter model number can I use? Thanks.
      by|Dec 24, 2022
      1 Answer
      Answer This Question

      A:  Hello. There is no direct replacement for your alarms. That being said, you can use any of our current alarms to replace your older alarms. You will have to take down all of the older alarms before putting up any new alarms. You will have to change out the mounting brackets at each location but that will just take a screwdriver to change out. You will either have to change out and rewire the wiring harness plugs at each location or you can choose to use the KA-F2 adaptors to adapt the old plugs to our new alarms. The adaptors would plug into the old plugs and the new alarms would plug into the adaptors. The model 21028461 is a dual pack of 1 KA-F2 and 1 KA-B2.

      by|Dec 27, 2022
        caret
        Q:Can an adapter be used with this detector so that I don't have to re-wire? If yes, what kind of adapter?
        by|Dec 24, 2022
        1 Answer
        Answer This Question

        A:  Hello. How do you mean? If you already have an older FireX smoke alarm from before 2008 of the model AD, ADC, FADC, FADCM, or FADCQ, then there is no direct replacement for your alarms. That being said, you can use any of our current alarms to replace your older alarms. You will have to take down all of the older alarms before putting up any new alarms. You will have to change out the mounting brackets at each location but that will just take a screwdriver to change out. You will either have to change out and rewire the wiring harness plugs at each location or you can choose to use the KA-F2 adaptors to adapt the old plugs to our new alarms. The adaptors would plug into the old plugs and the new alarms would plug into the adaptors. If you have the older BRK/First Alert models SA4120B SA4121B, SA4919 AND BRK MODELS 4120, 4120B, 4120SB, 4919, 5919, 86RAC, the answer would be identical but you would use the KA-B2.

        by|Dec 28, 2022
          1 found this answer helpful
          Showing 1-4 of 82
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          Customer Reviews

          4.4 out of 5
          (762)
          • 4.4
            out of 762 reviews
          • 79%recommend this product
          Filter by:
          Showing 1-10 of 762 reviews
          ...
          by
          • Verified Purchase
          Supplied with very low quality, short-life battery
          I installed four of these Kidde hardwired photoelectric units to replace older ionization type detectors that were beginning to trigger sporadically, even after thorough cleaning. When purchasing the Kidde units, the manufacturing dates were all selected to be within the last 60 days prior to date of purchase. Approximately 9 months after installation, one of the units began to chirp at 3:00 AM. When the unit was removed for inspection and battery check, it was found that the original Kidde battery was dead. I was shocked and disgusted to find that the battery was an extremely cheap, imported, low-quality and short-lived carbon-zinc type, not a high quality long-life alkaline type. This was particularly galling because the detector was installed high up on an upstairs vaulted ceiling and required bringing up a tall ladder to disconnect it. I'm very, very disappointed (and disgusted) that Kidde would ship a critical safety product like this with such a low-quality battery to save a few pennies. All other name brand smoke detector manufacturers supply their products with high-quality, long-life alkaline batteries. This experience will cause me to be very cautious about ever purchasing Kidde products in the future.
          by
            Ease of installation- anyone can do it
            Ease of installation- anyone can do it
            by
            • Verified Purchase
            • Recommended
            For the last few years I have only used firex....
            For the last few years I have only used firex. they are easy to install and I have used them to replace several that were about ten years old. Don't risk your family replace those old ones.
            by
            • Verified Purchase
            2 found this review helpful
            I bought my house three years ago, and have had weird malfunctions from the smoke detectors beyon...
            I bought my house three years ago, and have had weird malfunctions from the smoke detectors beyond the false alarms from the shower, etc. I took one down, and the date code on my old smoke detectors was from 1995. Over 20 years past the 10 year useful life! Apparently original to the house. I bought two 2-packs and this single unit for a total of five detectors. I chose the photoelectric because they have fewer false alarms and do NOT have any radioactive material like the ionization units do. I had to use the enclosed wire harness because the detector was not compatible with the old unit, but it was super easy to do since the wires were pre-stripped and tinned. It was easy to just screw the wire nuts on and poke everything back into the gang box. The only quibble I have is that you have to punch out the holes you want to use in the brackets, and it was REALLY HARD! I'm sure it was supposed to be pretty easy, given that it was on just one of the brackets. The rest took a lot of effort, one of them significant. Apparently a stamping problem in the manufacture. Other than that, I recommend them.
            by
              • Recommended
              4 found this review helpful
              I bought my house three years ago, and have had weird malfunctions from the smoke detectors beyon...
              I bought my house three years ago, and have had weird malfunctions from the smoke detectors beyond the false alarms from the shower, etc. I took one down, and the date code on my old smoke detectors was from 1995. Over 20 years past the 10 year useful life! Apparently original to the house. I bought two of these packs and a single one for a total of five detectors. I chose the photoelectric because they have fewer false alarms and do NOT have any radioactive material like the ionization units do. While pretty much all new smoke detectors come with a new wire harness, I like that these came with adapters as well. Between the five units, I used the adapters on two of them that were up high on my vaulted ceiling and required a bit of a reach. The faster and easier the installation, the safer it was for me to do. I changed the wire harness on the others because new wire is a good thing. :) I was grateful for the option. The only quibble I have is that you have to punch out the holes you want to use in the brackets, and it was REALLY HARD! I'm sure it was supposed to be pretty easy, given that it was on just one of the brackets. The rest took a lot of effort, one of them significant. The box also says they include mounting hardware. No they do not. No screws are included. Other than that, I recommend them.
              by
                • Recommended
                I had someone install these for me and it seemed very simple and basic. Because I upgraded my hom...
                I had someone install these for me and it seemed very simple and basic. Because I upgraded my home I needed to have hard wire smoke detectors to meet the city code.
                by
                • Verified Purchase
                • Recommended
                Purchased one to replace one installed 2 years ago. They work!! Life span is short, but if you ca...
                Purchased one to replace one installed 2 years ago. They work!! Life span is short, but if you can catch them on sale, they are worth it!!!
                by
                • DIY
                • Verified Purchase
                • Recommended
                Easy to install, as they fit the existing base and electrical pigtail from my old detectors. They...
                Easy to install, as they fit the existing base and electrical pigtail from my old detectors. They have been operative for a few weeks now, and so far no false alarms.
                by
                • Verified Purchase
                • Recommended
                by
                • Verified Purchase
                Showing 1-10 of 762 reviews

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                Ratings
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                (2167)
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                Alarm/Detector FeaturesBattery Back-Up,Hush Feature,InterconnectedBattery Back-Up,Hush Feature,InterconnectedBattery Back-Up,Hush Feature,InterconnectedBattery Back-Up,Hush Feature,Interconnected
                Alarm Sensor TypeIonizationPhotoelectricIonizationDual-Sensor
                Alarm TypeSmokeSmokeSmokeSmoke
                Power SourceHardwiredHardwiredHardwiredHardwired
                Pack Size1111
                THD SO SKU 1003096043
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