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Universal Smoke Detector Adapters

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  • Allows installation to an existing wiring harness
  • First Alert/BRK and Fire X Smoke Alarm Adapters
  • Designed for use with interconnected hardwire alarms
  • See More Details
$499
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Product Overview

The quick convert adapter allows the installation of a new Kidde alarm to an existing competitors wiring harness. This allows for easy installation when replacing the specified smoke alarm brands with a Kidde product. The smoke alarm adapter also allows the specified approved brands and models to be interconnected with other Kidde product. This Adapter can only be used when replacing First Alert and BRK models; SA4121B, 4120, 4919, 5919, and 86RAC with plug-in connector, manufactured before June 1, 2003. These models have been tested for interconnect compatibility with the Kidde alarm models; 1235, 1275, 1276, 1285, i12020, i12040, i12060, i12080, PE120, PI2000, KN-COSM-IB, AND RF-SM-ACDC.
  • 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
  • For use with First Alert and BRK wire in smoke alarms. The KA-B can only be used when replacing First Alert models: SA4121B, and BRK models: 4120,4919,5919, 86RAC with plug in connector, manufactured before June 1, 2003.
  • Learn how to install a smoke alarm

Info & Guides

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Price
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Ratings
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Pack Size666
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Specifications

Dimensions

Product Length (in.)
1
Product Width (in.)
5.5

Details

Accessory Type
Safety Accessory
Alarm/Detector Features
No Additional Features
Connector/Contact Type
2-Wire
Included
No additional components or accessories are included
Pack Size
6
Power Source
Hardwired
Product Weight (lb.)
.35
Returnable
90-Day
Voltage (volts)
120

Warranty / Certifications

Certifications and Listings
UL Listed
Manufacturer Warranty
1

Questions & Answers

39Questions16Answers

Which smoke detector will replace a FireX 120-1072 and do i need adapters

Asked by Tereasa November 23, 2020
1
Answer

Hello Tereasa, Thanks for reaching out. We typically recommend changing the wire harness to the one provided. However, if you use your existing harness, adapter ka-f2 will work. The closest unit in looks in the Kidde line is i4618

I am replacing the Firex 120-1072C smoke detectors. Which current model will replace it? Do I need an adapter? Thank you

Asked by Amy May 31, 2020
2
Answers

No just have someone connect the new one to the smoke detectors.

Can I use this item to replace my 2 old Kidde Model 1285 or do I need to buy 2 of the Model I 12080?

Asked by Dottie June 24, 2019
2
Answers

Yes you can use these adapters to connect a new smoke alarm to the old connector that is in the ceiling. I had the local fire department change out 2 old smoke detectors located on a 15 foot ceiling. Since they are not permitted to do electrical work to change out the old connector in the ceiling with the new connector that comes with the new smoke detector I had to use these adapters.

I am replacing 14 year old Firex 120-1182 smoke alarms with Kidde i4618AC is this the adaptor tha...

Asked by Bette May 20, 2019
2
Answers

Hello. Yes. The I4618AC will work with the KA-F adaptor. You will plug in the KA-F adaptor into the old plug and then be able to plug the new alarm into the adaptor. You will still need to change out the mounting bracket.

Will these adapter work with my FireX 120-1095D smoke detectors manufactured in 2004 or will I need to pull the old uni?

Asked by J957 February 2, 2019
1
Answer

Hello J957, We recommend using the wiring harness that is provided with the new Kidde unit. The adapter will only serve to allow specific FIREX unit wiring to work with specific hardwired Kidde units. It will not make them compatible however. All of the old must be removed prior to installation of the new.

I have Firex hardwired 120-1072B will the adapter work with this model? Do you get 2 of the same ...

Asked by Mike January 25, 2019
3
Answers

This product will not work, there are 2.

Will this clip work on a FireX model 120-1056D smoke alarm?

Asked by Gigi January 13, 2019
1
Answer

Hello GIgi, It will only work with kidde models with a 9V battery backup such as kn-cope-ic, i12060 i4618 i12040 or i12080

I have a Firex FX1218 - will the adapter work with the First Alert 9120B?

Asked by JBird December 8, 2018
1
Answer

Hello Jbird, I have no way of answering that. You will need to contact first alert.

I'm replacing Firex 120-538B models. Will these adapters work?

Asked by Cheryl November 5, 2018
1
Answer

Hello Cheryl, The adapters only work with specific FIREX models to specific Kidde models. It is recommended that the harness get changed to the ones provided with the new units.

I have a Firex 120-1182 and thought about replacing two of them with Firex i5000. Do I need an adapter? If so, this?

Asked by Steve October 31, 2018
2
Answers

i just replaced 7 fireex 120-1182 with kidde/firex model #i12060A for 16.97 at home depot item #21009444

Universal Smoke Detector Adapters - page 2

Customer Reviews

  • 3.7
    out of 78 reviews
  • 72% recommend this product
Filter by:
Showing 1-10 of 78 reviews
I purchased these adapters to wire in several i12010sco smoke/CO detectors with 10/yr battery lif...
I purchased these adapters to wire in several i12010sco smoke/CO detectors with 10/yr battery life. Of course the plug on the back is offset so that if you try to use an adapter, it wont connect or sit flush on the back plate. These will not work due to a poor design on Kidde's part. Avoid having to use these adapters: Find another detector or call an electrician.
by RickTurmo
Response from Kidde ExpertApr 17, 2019
Hello RickTurmo,
Unfortunately the adapters will not work with every Kidde or every FIREX which is why we recommend changing the wiring harness to the one provided.
1 person found this helpful
The one I ordered were not in stock (even though...
The one I ordered were not in stock (even though it went throught online) and I got another pair of which only one worked the other did not match the connector I had. So one was wasted.
by NINAD
Easy to install....
Easy to install.
by HomeDepotCustomer
SAVE YOUR MONEY It's not real obvious from the product description and packaging, but the two ada...
SAVE YOUR MONEY It's not real obvious from the product description and packaging, but the two adapters are two DIFFERENT sizes. This means you can use only ONE of these for your particular application. The adapters are so big around and clunky, you won't be able to install your new Kidde device into it's mounting ring. We tried and tried, no luck. Instead use the connector included with your Kidde device: TURN OFF THE POWER BREAKER for the alarm network, then remove the existing Firex connector by disconnecting the wire nuts. Use the wire nuts to wire the Kidde connector to the circuit, connecting black to black, white to white and color to color. That's it. Turn on the power and test the new Kidde device. All the Firex and Kidde devices in the network will be interconnected.
by NetWorthy
Response from Kidde ExpertDec 2, 2019
Hello NetWorthy,
The two adapters are for different manufacturers. BRK and FIREX. The adapters can be purchased separately, but we recommend using the Kidde wire harness that comes with the new unit.
1 person found this helpful
great idea - worked perfectly - only reason it didn't get five stars: can't understand why they...
great idea - worked perfectly - only reason it didn't get five stars: can't understand why they don't give the option of only buying what is needed (2 pack is two different adapters - use one, throw one away)
by Work
Did the job perfectly....
Did the job perfectly.
by HomeDepotCustomer
Streamlined way to convert from FireX hardwired alarm to Kidde hardwired alarm (vs rewiring the s...
Streamlined way to convert from FireX hardwired alarm to Kidde hardwired alarm (vs rewiring the system). Found the "pinchers" difficult to squeeze; the size of the plastic border is just a tad too large - it abuts against the rim of the inner window of the Kidde mounting plate, making it difficult to twist the alarm into place.
by WifeofDIY
1 person found this helpful
All smooth transaction. ...
All smooth transaction.
by Robert
My rating has more to do with the poor labeling on the packaging than anything else. Buyer bewar...
My rating has more to do with the poor labeling on the packaging than anything else. Buyer beware...included are two DIFFERENT adapters which is not made clear on the packaging. You will THROW AWAY one adapter if you buy this product. I don't know why they just can't put two of the same adapters in one package and make it clear on the packaging as to which adapter is for which type of fire alarm. I would have given the product a 5 otherwise for the one that worked.
by Mike
Response from Kidde ExpertAug 8, 2019
Hello Mike,
We include 2 different adapters because we don't know which brand the customer is replacing. Thank you for your feedback that will be sent to marketing.
1 person found this helpful
It work fairly easily and helped me avoid cutting wires in putting up a new smoke alarm.
It work fairly easily and helped me avoid cutting wires in putting up a new smoke alarm.
by Mujhass
1 person found this helpful
Showing 1-10 of 78 reviews