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Discontinued

Kidde

Model # 21010407-A

Internet # 205422307

Store SKU # 1000392327

Worry Free 120-Volt Hardwired Inter Connectable Smoke Alarm with 10-Year Battery Backup

This item has been discontinued.
The Home Depot no longer carries this specific product.

$27.97 /each
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PRODUCT OVERVIEW

Model # 21010407-A

Internet # 205422307

Store SKU # 1000392327

Kidde Worry Free Smoke Alarms protect your family for 10 years with a "sealed in" Lithium Ion Battery back up. 10 year Worry Free smoke alarms protect against tampering with a sealed in battery. 10 Year alarms provide an "End of Life" indicator at end of the product life alerting you to replace your smoke alarm.

  • 10 year sealed-in lithium battery back up
  • Tamper-resistant; cannot be disabled
  • 10 year limited warranty
  • 120-Volt hardwired
  • Inter connectable






Info & Guides

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SPECIFICATIONS

Dimensions
Product Depth (in.) 
1.75 
Product Height (in.) 
5.5 
Product Width (in.) 
5.5 
Details
Alarm Sensor Type 
Ionization 
Alarm Type 
Smoke 
Alarm/Detector Features 
10-Year Battery,Battery Back-Up,Hush Feature,Interconnected,No Additional Features,Tamper Resistant 
Commercial / Residential 
Commercial / Residential 
Connector/Contact Type 
None 
Included 
Batteries 
Power Source 
Hardwired 
Returnable 
90-Day 
Voltage (volts) 
120 
Warranty / Certifications
Certifications and Listings 
1-UL Listed 

CUSTOMER REVIEWS

Rated 4.2 out of 5 by 27 reviewers.
Rated 4.0 out of 5.0 by Where there is no smoke - why is there an alarm? Okay - like most I purchased these to replace old dated detectors that were yellow or chirping or whatever reason. I have not had these that long - 4 months. I have read a lot of reviews that stated that the alarm was chirping for no reason - and it is nearly new - only way to hush them is to effectively disable them from any future use. Welllll.... not so fast, Although new - mine went off too - they are interconnected so all were involved (even the old ones that I had not replaced yet). But I also remembered that I had done some drywall work (albeit in the garage). It is a little known fact that dust (yes dust) collected in the detector can in fact give a false positive (especially in photoelectric types). The solution for me was get out the vacuum with soft brush and clean the detectors. It took me until the 4th one (which was closest to the garage btw) where when I cleaned it - shhhhhhhhhhhh the alarm stopped! So if your alarms are chirping and they are not approaching their end of life "chirps of death" telling us the sensors are past their useful life - just clean the things with your vacuum - and that might be all there is to it. If they are interconnected it could be ANY of the detectors that require cleaning. October 9, 2014
Rated 5.0 out of 5.0 by It's early but so far everything is working very well.m talk to me in ten years. Electrician recommended the alarm. So far it is performing well. August 5, 2015
Rated 1.0 out of 5.0 by The green light is much to bright! At night, the green light illuminates the entire bedroom. I prefer to sleep in near total darkness. So I tried putting tape over the green light, but that only caused the light to be redirected out the side of the detector. The ceiling is now glowing, I bought four of these and I will be returning them soon. There is just no need to have such a bright indicator light. July 16, 2015
Rated 1.0 out of 5.0 by Kidde Quality Assurance and Checking Lacking On 5/23, I purchased 3 Kidde combination (CO/smoke) hardwired ten year life battery backup detectors and 6 Kidde hardwired ten year life battery backup smoke detectors to replace the hardwired units (with replaceable backup batteries) that were installed in my home in 2006. I had to return 2 of the smoke detectors purchased on 5/23 that initially tested as being OK, but within a minute, or so, the green standby light began to flash and the units would chirp once per minute. Nothing would clear this condition. The information on the back of the detector indicates that the once a minute chirp is an indication of a low battery. I returned the 2 defective smoke detectors and purchased 2 more Kidde smoke detectors of the same type. One of the detectors worked properly and one did not, so I returned the defective detector and picked up a single Kidde smoke detector which also turned out to be defective. All of the manufacturing dates on the units ranged from January 2015 to April 2015. One of my "old" Kidde smoke detectors, which has a replaceable battery, was purchased in 2012, so it is still useable although I did want to replace it with a 10 year life battery backup unit. The bottom line is that Kidde needs to have better quality assurance and better quality control checks of their products. May 28, 2015
Rated 5.0 out of 5.0 by Smoke Alarms The WORRY FREE 120-VOLT HARDWIRE INTERCONNECTABLE SMOKE ALARM WITH 10-YEAR BATTERY BACKUP installed easily and were the exact same size as the old ones so no new painting was required. We chose to use two smoke alarms and one smoke/CO combo, all wired together. I think this is a great idea to have a ten year battery/smoke detector so twice yearly one does not need to remember to replace batteries! Also, the cost may be more for these type but once you figure in the cost of 9 volt batteries and replacing all of them twice a year, the costs even out! January 20, 2015
Rated 5.0 out of 5.0 by Happy with these new Alarms I was tired of the beeping batteries and since I'm older I can't change them myself, I have to get help. So now I have the ones that are good for 10 yrs. I changed all 6 of my old detectors to these new ones. June 16, 2015
Rated 4.0 out of 5.0 by No Problems The units were easy to wire and install. I did not have any units fail as mentioned in some other reviews. July 21, 2015
Rated 5.0 out of 5.0 by Smoke Detectors These are the new apartment requirement for California as of 7/1/2015. They are great because they don't chirp and tenants cannot take the batteries out . June 2, 2015
  • 2015-08-26T09:12:15.924-05:00
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