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
$59.97 / each
If you buy 6 or more
$50.97 / 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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Price
$49.97 /each
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Name 120-Volt Hardwired Inter-Connectable Smoke and Carbon Monoxide Alarm with Battery Backup Worry Free Hardwired 120-Volt Interconnected Combination Smoke and Carbon Monoxide Alarm with 10-Year Battery Backup Worry Free 10-Year Sealed Lithium Battery Smoke and Carbon Monoxide Combination Alarm with Voice Warning 120-Volt Hardwired Combination Smoke and CO Photo Electric Alarm with Voice (3-Pack)
Brand Kidde Kidde Kidde Kidde
Ratings (192) (102) (81) (59)
Alarm Type Carbon Monoxide,Smoke Carbon Monoxide,Smoke Carbon Monoxide,Smoke Carbon Monoxide,Smoke
Power Source Hardwired Hardwired Battery Hardwired
Alarm Sensor Type Photoelectric Ionization Photoelectric Photoelectric
Alarm/Detector Features Battery Back-Up,Hush Feature,Interconnected,Tamper Resistant,Voice Alert 10-Year Battery,Battery Back-Up,Hush Feature,Interconnected,Tamper Resistant,Voice Alert 10-Year Battery,Hush Feature,Tamper Resistant,Voice Alert Battery Back-Up,Hush Feature,Interconnected,Value Pack,Voice Alert
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Customer Questions & Answers

How many wires in connector 2 or 3?

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?
Asked by: kim
3
Answered by: Boomer
Date published: 2017-05-30

What type of smoke detector is in this unit....ionization or photoelectric?

Asked by: ALinNC
CAUTION: MASSACHUSETTS requires a photoelectric alarm in all residential situations. This ionization device has limited use in MA and in the few situations where it could be installed, it would need a photoelectric alarm mounted next to it.
Answered by: wsfdgreen
Date published: 2017-03-27

can the battery be changed??

after ten years
Asked by: john
Not without breaking open the unit and voiding the warranty. Sealed unit is not designed for user battery replacement. Battery life > 10 years and built-in warranty timer means you should never have to replace the battery for the useful warranted life of the unit (10 years).
Answered by: MechMan
Date published: 2015-11-24

I have a 2 story colonial which is hardwired with regular smoke dectectors on all levels. One in basement, one on main floor and one in each room

upstairs as well as the hallway upstairs. How many smoke and co detectors are necessary in this design? And can the Kidde worry free be installed where I now have BRK Electronics model 4120B?
Asked by: bigJim
I replaced all three of mine with the the hard wired combination smoke and co alarm with voice and ten year lithium battery. No more night time beeps when the 9 volt expires!
Answered by: BAT3
Date published: 2016-05-11
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Customer Reviews

Worry Free Hardwired 120-Volt Interconnected Combination Smoke and Carbon Monoxide Alarm with 10-Year Battery Backup is rated 4.2 out of 5 by 102.
Rated 5 out of 5 by from Easy to install, excellent product. Extra cost for Lithium Ion battery (10 year life) is less tha... Easy to install, excellent product. Extra cost for Lithium Ion battery (10 year life) is less than the cost of replacing a 9-volt battery every year. Very pleased with purchase.
Date published: 2017-02-22
Rated 5 out of 5 by from Easy to install (read directions). Works as advertised and doesn't go off every time you use the ... Easy to install (read directions). Works as advertised and doesn't go off every time you use the toaster. LOL
Date published: 2016-12-27
Rated 5 out of 5 by from Great product Easy to install, no batteries to replace, very satisfied.
Date published: 2017-02-14
Rated 5 out of 5 by from Often, DIY folks post that some item was easy-breezy to install, but I found the same item often ... Often, DIY folks post that some item was easy-breezy to install, but I found the same item often takes me 10 times longer or longer to install. However, this Kidde Hardwired Smoke & Carbon Monoxide Alarm was actually easy-breezy to install, replacing an existing Kidde Hardwired Smoke Alarm in my home. The smoke & carbon alarm integrated with my home alarm system, which used the same plug. Weekly tests of the alarm system are quick and easy with a press of the smoke & carbon alarm test button. The digital verbal warning is clear and loud. BTW, I always wear hearing protection when testing audio alarms.
Date published: 2017-05-16
Rated 1 out of 5 by from I guess I should have read the reviews first, although as many others have stated this is the onl... I guess I should have read the reviews first, although as many others have stated this is the only combination hardwired, smoke and CO2 with battery backup. Unfortunately I've now wasted my time twice with low battery issues when delivered installed new. Based on all the feedback Kidde really needs to do something about either their engineering or quality control because this is ridiculous. Seriously, they've had the same issues since 2015 and they are still happening? I'm supposed to trust these in a fire when they can't even deliver them functioning.
Date published: 2017-04-27
Rated 1 out of 5 by from Battery DOA Purchased 2 of these unit, one of the packages was beeping non-stop (still in packaging). Once I installed it, which a bit of a trail because of where the old alarm was, the unit said battery something or other. According to the packaging this battery should have a 10 year life, will it didn't even have a few minutes. The other unit so far so good but I'm wary of the unit, again too much of a pain to remove if not absolutely necessary. Notice other feedback says units batteries are also DOA. This one of the most expensive units available at HD. Battery should be protected until actually installed then activated, pull-tab or something like that.
Date published: 2015-01-22
Rated 4 out of 5 by from I had 3 much older version of wired smoke (only) detectors that were about the same size. it wa... I had 3 much older version of wired smoke (only) detectors that were about the same size. it was very simple to replace the mounting plate (just loosen 2 screws) replace the pig-tail with the new plug (wire nuts) and pop in the new units. The voice alert tells you if its CO or Smoke and the 3 alarms all went off when I pushed the test button on just one. Seems like a great product. Hope I never really find out.
Date published: 2017-04-01
Rated 4 out of 5 by from The product is excellent. I purchased 5. However, the store stocking/restocking process needs a ... The product is excellent. I purchased 5. However, the store stocking/restocking process needs a lot of work. After two trips to the store for a missing part (electrical pigtail connection) on the third trip I had to open five boxes to find one that had the missing part.
Date published: 2017-06-20
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