Model # 21010408-N

Internet #205465829

Store SKU #1000535877

Kidde Worry Free Hardwired 120-Volt Interconnected Combination Smoke and Carbon Monoxide Alarm with 10-Year Battery Backup
0047871114085

Kidde

Worry Free Hardwired 120-Volt Interconnected Combination Smoke and Carbon Monoxide Alarm with 10-Year Battery Backup

  • Hardwired
  • Combination smoke and CO
  • 10 year battery back up
$57.97 /each

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Product Overview

NEW Worry Free Kidde 120 Volt Hardwired-Interconnected 10 Year Combination Smoke and Carbon Monoxide Alarm . The alarm is suitable as a single station and/or multiple station (24 devices) alarm. This alarm contains a ten-year lithium battery backup, removing the need to replace batteries in a hardwired unit and carries a limited 10 year warranty.

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Customer Questions & Answers

Worry Free Hardwired 120-Volt Interconnected Combination Smoke and Carbon Monoxide Alarm with 10-Year Battery Backup
Worry Free Hardwired 120-Volt Interconnected Combination Smoke and Carbon Monoxide Alarm with 10-Year Battery Backup

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1 answer

CA approved? Compatible with Kidde 1276 wiring harness & mounting bracket?

This question is from Worry Free Hardwired 120-Volt Interconnected Combination Smoke and Carbon Monoxide Alarm with 10-Year Battery Backup
Asked by
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September 6, 2016
Two questions:
1. Is this combo smoke + CO alarm on the current "List of California State Fire Marshal Approved Carbon Monoxide Alarms and Detectors and Smoke Alarms"? I couldn't find it on the list, but I'm not sure I have the current list.
2. I would like to replace all of my old Kidde 1276 interconnected smoke detectors. Are the wiring harnesses the same? Are the mounting brackets the same?

I recently replaced on of my 1276 smoke detectors with a combo KN-COSM-IBA unit and it was completely compatible (interconnected, same wiring harness, same mounting bracket). But, it's not on the CA list because it has AA battery backup.

Thanks.
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Answer (1)

September 7, 2016
Answer: 
Hello Roonie. Yes. This is listed with the Office of the State Fire http://osfmtraining.fire.ca.gov/BMLListingSearchPage/DisplayPDF.aspx?ListingID=3490ba9c-86b9-401a-99ce-da4cbcfb453a&number=7256-1610-0145&program=BML . Office of the State Fire Marshal listing 7256-1610:0145 Company: KIDDE SAFETY. Address: 4820 Centennial Blvd, Suite 145, Colorado Springs, CO 80919. Contact: Larry Ratzlaff. Date Read More
Hello Roonie. Yes. This is listed with the Office of the State Fire http://osfmtraining.fire.ca.gov/BMLListingSearchPage/DisplayPDF.aspx?ListingID=3490ba9c-86b9-401a-99ce-da4cbcfb453a&number=7256-1610-0145&program=BML . Office of the State Fire Marshal listing 7256-1610:0145 Company: KIDDE SAFETY. Address: 4820 Centennial Blvd, Suite 145, Colorado Springs, CO 80919. Contact: Larry Ratzlaff. Date Issued: 07/01/2016 Listing Expires: 06/30/2017. Description: Model *i12010S is an ionization type smoke alarm. The alarm is 120 VAC powered with a (3 volt lithium) sealed in 10 year backup battery. This model is equipped with alarm silence feature to deal with nuisance alarms, and has a 10 year end of life timer.. Category: SMOKE ALARM-IONIZATION TYPE (SINGLE/MULTIPLE). We are Kidde Product Support at 1-800-880-6788. Thank you for your interest. Read Less
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2 answers

Use in an attached garage?

This question is from Worry Free Hardwired Combination Smoke and CO Alarm with Voice and Lithium 10-Year Battery Back Up (3-Pack)
Asked by
Oak Ridge, TN
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September 26, 2016
Is this unit suitable for use in an attached garage? The temperature range of the garage (unheated) exceeds the range in the product specification. The previous owner disabled the alarm--it was a Kiddie 1276. Since the detector was hard-wired, I assume it was correctly placed, per the fire code.
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Answers (2)

September 26, 2016
Answer: 
Hello JMH. Per NFPA 72, smoke alarms can not go in garages. Smoke detectors will tend to have nuisance alarms and other issues due to the heat, cold, insects, dust, and exhaust from the car, as it sounds like the previous owner found out. The only thing we have for a garage is a heat detector, Model # HD135F, Internet #100594387, Store SKU #146421. We are Kidde Product Support at 1-800-880-6788.
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September 26, 2016
Answer: 
Yes, you can use this in an attached garage.
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2 answers

How many wires in connector 2 or 3?

This question is from Worry Free Hardwired 120-Volt Interconnected Combination Smoke and Carbon Monoxide Alarm with 10-Year Battery Backup
Asked by
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July 24, 2016
Product Title, Description, & Specs state this unit is "Hard-wired", however Specs then list the "Connector Type" as "None".
Does this unit have 2-wire or 3-wire connection?
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Answers (2)

July 26, 2016
Answer: 
Hello Kim. This unit has a 3 wire connection. If you want to use it interconnected, all of the alarms have to be on the same three wire circuit. If you want to use this alarm by itself and not connected to other alarms, hook up the black and white wires on the plug to the hot and neutral wires of an 120 volt circuit but leave the red interconnect wire disconnected and capped off. We are Kidde Product Read More
Hello Kim. This unit has a 3 wire connection. If you want to use it interconnected, all of the alarms have to be on the same three wire circuit. If you want to use this alarm by itself and not connected to other alarms, hook up the black and white wires on the plug to the hot and neutral wires of an 120 volt circuit but leave the red interconnect wire disconnected and capped off. We are Kidde Product Support at 1-800-880-6788. Thank you for your interest. Read Less
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July 25, 2016
Answer: 
There are three wires.
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1 answer

Will this unit interconnect with Kiddie Model # 21010625?

This question is from Worry Free Hardwired 120-Volt Interconnected Combination Smoke and Carbon Monoxide Alarm with 10-Year Battery Backup
Asked by
Houston, Tx
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July 11, 2016
Will this unit interconnect with Kiddie Model # 21010625?
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Answer (1)

July 13, 2016
Answer: 
Hello Randall. No. The 21010625 wireless smoke and carbon monoxide alarm will only interconnect with other alarms of the same model. To use this alarm, all of the alarms would have to be this model. We are Kidde Product Support at 1-800-880-6788. Thank you for your interest.
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Customer Reviews

Rated 4.0 out of 5 by 63 reviewers.
Rated 1.0 out of 5.0 by Piece of junk This combination smoke.co2 detector has a sealed 10 year lithium battery, the minute we installed the unit the battery noted it was no good. October 18, 2016
Rated 5.0 out of 5.0 by Great product After a serious carbon monoxide accident, realize the importance of having a reliable alarm. We combined this into our whole house replacement of alarms. Great to have the combination of carbon monoxide, smoke, lithium battery & interconnect to other alarms. December 8, 2015
Rated 2.0 out of 5.0 by DON'T purchase unless you have identical brands in your house If you have other AC powered smoke alarms and they're a different brand, DON'T purchase this item. It will chirp 'FIRE' every 5-mins... I tried two of them and found they did identical things. I later found out that all the other units MUST BE Kiddie brand otherwise it'll alert you. It doesn't play well with others. Kiddie tech support was VERY helpful as the instructions were vague in this area. July 19, 2016
Rated 1.0 out of 5.0 by disappointing Three of four of the 10-year batteries failed to activate. I returned these and bought another brand from a different store. July 5, 2016
Rated 5.0 out of 5.0 by Kidde Smoke and Carbon Monoxide Alarm with Voice alert . Kidde Fire Systems is a global leader in fire and Carbon Monoxide protection, protecting people and property, from fire hazards, and they are very trust worthy in the business. They have introduced a new generation intelligent smoke and CO and heat detectors. The all new Kidde 120 Volt Hardwired-Interconnected 10 Year Combination Smoke and Carbon Monoxide Alarm features two sensors in one unit. The alarm is suitable as a single station and/or multiple station (24 devices) alarm. This alarm contains a ten-year sealed lithium battery backup, which you will never have to replace, since the Alarm expires in 10 years. In case of a problem, it will sound the alarm and also will give you a voice memo, so that we can sleep with peace of mind. April 12, 2015
Rated 5.0 out of 5.0 by Good Product Product was delivered within 4 days of order. Installation was very easy. I liked the drywall anchor screw, it took single anchor to attach the alarm to the wall. The testing took longer than the attachment. Hopefully these are never actually used. April 12, 2016
Rated 5.0 out of 5.0 by Easy to install, works out of the box If you have a 120 volt line connected smoke detector, this is a great product. It adds a carbon monoxide detector and a ten year lithium battery back up to your smoke detector. It was east to install, and you can forget about it. It will work for a decade and protect you and your family. I installed two in my son's apartment. The installation was problem-free. March 1, 2016
Rated 5.0 out of 5.0 by Greatly Satisfied The contractor wanted 849.00 dollars to obtain and install a similar item. I was able to buy and install this item for a third of the price. Home Depot personnel where able to advise me on compatibility issues since I all ready had a similar system installed. So, I just had to replace the old alarms with the new alarms. Thank you, so much. February 16, 2016
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