Model # 900-0153-012

Internet #202563783

Store SKU #484927

Kidde Smoke Alarm Adapters
0047871001538

Kidde

Smoke Alarm Adapters

  • Allows installation to an existing wiring harness
  • First Alert/BRK and Fire X Smoke Alarm Adapters
$4.50 /each

Frequently Bought Together

Product Overview

Connect different brands of alarm devices with Kidde detectors by using the First Alert/BRK and Fire X Smoke Alarm Adapters. These adapters are designed for use with interconnected hardwire alarms.

  • Allows approved brands and models to be interconnected with Kidde smoke alarms
  • Includes 1 adapter for use with BRK/first alert wire-in smoke alarms and 1 adapter for use with fire X wire-in smoke alarms
  • Designed for use with interconnected hardwire alarms
  • Connects to an existing wiring harness



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Customer Questions & Answers

I have a 2005 Firex 120-1693 that needs to be replaced. Is this adapter compatible with the model...

I have a 2005 Firex 120-1693 that needs to be replaced. Is this adapter compatible with the model I have? The documentation seems to suggest no, but from the pictures, I think it should work. Thank you.
Asked by: SEH
Hello SEH. No, the adaptors will not work. You will need to take down all of the old alarms before you put up any new alarms, if your alarms are interconnected, and you will have to change out the wiring harness plugs and mounting bracket rings at each location. If you are not familiar working with wiring or have any questions about wiring, the safest way to replace the alarms is to get a licensed electrician. We are Kidde Product Support at 1-800-880-6788. Thank you for your interest.
Answered by: Kidde Expert
Date published: 2017-01-31

I have 6 existing FireX 120-1072C smoke alarms. Interconnected w/ battery back up. I see from a p...

I have 6 existing FireX 120-1072C smoke alarms. Interconnected w/ battery back up. I see from a previous question/answer that the adapter will work with my existing wiring and plugs, however will I need to get a special mounting bracket to hold the adapters or will the bracket for the new detector have enough space to accommodate the adapters?
Asked by: KarenF
Hello KarenF. The new alarms will come with new mounting bracket rings. Changing out the brackets only involves using a screwdriver and you don't have to drill new holes. The bracket will allow for the adaptor in all of our hardwired alarms EXCEPT for the I12010S (21010407-A), the I12010SCO (21010408-N), and the KN-COSM-IBA (21006377-N). Any of our other alarms can be used with the adaptors. We are Kidde Product Support at 1-800-880-6788. Thank you for your interest.
Answered by: Kidde Expert
Date published: 2017-01-24

I have 6 wired alarms i had to replace 4. They were replaced with 1st alert model 9120b. My originals were firex 120-107

The plugs all fit fine. But only the two firex work together the other four do not. So what should i do to get them all working togwther again
Asked by: Nikki
Hello Nikki. Firex and BRK are not compatible as you are finding out why we say that. We would recommend replacing all of the alarms with one brand or the other. We are Kidde Product Support at 1-800-880-6788.
Answered by: Kidde Expert
Date published: 2017-01-09

I have two existing FireX 120-1072C smoke alarms. Interconnected w/ battery back up. Will your a...

I have two existing FireX 120-1072C smoke alarms. Interconnected w/ battery back up. Will your adapter work with my existing wiring and plugs?
Asked by: Philip
Hello Philip. Yes, the KA-F Adaptor will work with all of our alarms except the KN-COSM-IBA 21006377-N, the I12010S 21010407-A and the I12010SCO 21010408-N. You will still have to change out the bracket but the placement of the screws will be the same and you won't have to drill holes. We are Kidde Product Support at 1-800-880-6788. Thank you for your interest.
Answered by: Kidde Expert
Date published: 2016-12-08
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Customer Reviews

Smoke Alarm Adapters is rated 3.8 out of 5 by 16.
Rated 5 out of 5 by from These adapters eliminate the need for any wiring work when replacing A-C powered smoke detectors,... These adapters eliminate the need for any wiring work when replacing A-C powered smoke detectors, They are compact, taking up little room in the electrical box. They fit well and are easy to use. Snap the correct adapter onto the new detector, then snap in the wiring connector that connected the old detector. If you are comfortable with wiring work, you don't need these, otherwise, they make the job very easy.
Date published: 2017-02-14
Rated 1 out of 5 by from Did not fit connector I was told at the store that the connectors would allow me to use my old cable harness with the new detector but it did not match the cable harness and thus could not be used .
Date published: 2016-12-27
Rated 5 out of 5 by from Great adapter This was a great product that was compatible with my previous Firex model. With the adapter I didn't have to rewire the new alarm.
Date published: 2017-01-11
Rated 4 out of 5 by from they did the job. could be much less expensive though for what they are. they did the job. could be much less expensive though for what they are.
Date published: 2017-02-08
Rated 5 out of 5 by from I successfully used these adapters on 3 ADC smoke detectors. I successfully used these adapters on 3 ADC smoke detectors.
Date published: 2017-02-07
Rated 4 out of 5 by from Adapter does work to older smoke alarm wiring, but may require aggressive rework of new mounting plates My home was build in 2000, and featured 10 hardwired Firex branded alarms. 16 years later, I took a weekend to replace the original alarms. (fortunately I never needed them, but I felt it was wise to replace regardless. To be clear, this adapter does allow you to retrofit older wiring (in my case Firex to Kidde), but the adapter does not fit into the new Kidde mounting plates. The most difficult part was to cut out sufficient amount of the new mounting plates to accommodate the large adapter plates. I used angle cut pliers and it did require some hand strength. I recommend a drill press or jig saw if you have one of those available. Please note, the mounting plate is still plenty strong even after removing a portion of the center to accommodate the new adapter. The adapter did it's job, but the project took much longer than expected only because of the rework required to the new kidde mounting plate.
Date published: 2016-08-02
Rated 1 out of 5 by from disappointing as in a previous review.....adapters will not work with kidde comb smoke and carbon monoxide detectors. The adapter hits the mounting plate and you are unable to turn the detector for mounting. Returned to HD. Called Kidde customer service but they weren't at all concerned. Just said they will not work with that model.
Date published: 2016-06-01
Rated 4 out of 5 by from Easy enough I had not realized that both adapters were not the same, so I didn't order enough.
Date published: 2016-01-10
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