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Customer Reviews for Kidde Firex Smoke Detector, Hardwired with 9-Volt Battery Backup & Front Load Battery Door, Adapters Included, Smoke Alarm

Internet #100246185

Model #21029886

Store SKU #445228

  • Smoke alarm operates on a 120V wired powered source
  • 9-Volt alkaline battery provides protection during power outages
  • Interconnection capability, so when 1 alarm sounds, they all do

Customer Reviews

  • 4.7
    out of 2,473 reviews
  • 89% recommend this product
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Showing 1-30 of 2,473 reviews
The quick connect adapters make the installation incredibly simple!
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No problems with installation. Wiring adapters worked well.
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A very good detector. I recommend it.Easy to instal.
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Turned out to be very easy to replace old smoke alarm with this one. Front loading the 9v battery is a nice feature.
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Relatively easy to install, communicates with other detectors on same circuit. Ambient light ring does not work, making it much more difficult to determine status on high ceiling mount. Manufacturer NJ has been nonresponsive to request for support
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Response from Kidde ExpertMar 11, 2024
Hello. We Kidde are the manufacturer. This alarm does not have a ambient light ring. It has a small green LED for AC power and a red flicker of red every 30 seconds to let you know it is working properly. That is why the ambient light ring isn't working- there isn't one on this alarm.
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This smoke detector with battery backup are very clean looking and easy to install. I replaced existing older smoke detectors that were over ten years old and had no battery.
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Adapter eliminates the need for expensive electrical rewiring. The base plate has to be replaced with the one that comes with the detector so that is a little tedious. Easy battery replacement compartment.
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Easy to install already had the same one in my house
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I used these to replace some old Firex Model AD units, 5 in total. Front load battery compartment is very handy. Including the adapters is very helpful, however the one I needed to use fit very tightly and pliers were needed to get a proper connection between the adapter and the existing house wiring. The connection between adapter and the detector itself was very easy.
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Attachments cards will not fit up into the outlet has expected. Will need to hardwire the smoke alarm in place.
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The batterty access is nice. The adapter for the wiring could have been done better. The extension makes neat installation hard fought item.
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Easy to install; like that it has various wires to fit an older h ome; like that battery chamber on the outside.
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Having all of the available adapters very helpful, as I had 2 different types of alarms to replace.
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Quick and easy replacement for a faulty detector. Included with the unit or different pigtail adapters to match any other brands. In this case is an exact match. Took longer to unpack it than it did to install it.
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Good unit, easy install. Like the front load battery back up.
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Showing 1-30 of 2,473 reviews

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