Model # 21010407-A

Internet #205422307

Store SKU #1000392327

Kidde Worry Free 120-Volt Hardwired Inter-Connectable Smoke Alarm with 10-Year Battery Backup
0047871114078

Kidde

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

  • 10 year battery back up
  • ACDC installs
  • Ionization sensor
$29.97 / each
If you buy 6 or more
$25.47 / each

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Product Overview

Kidde 10 Year 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.

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Price
$14.98 /each
$29.00 /each
$29.97 /each
$54.97 /each
Name Hardwired 120-Volt Inter-Connectable Smoke Alarm With Battery Backup Includes Universal Adapters Hardwired 120-Volt Inter-Connectable Dual Sensor Photoelectric and Ionization Smoke Alarm with Battery Backup Worry Free 120-Volt Hardwired Inter-Connectable Smoke Alarm with 10-Year Battery Backup Hardwire Wireless Inter-Connectable 120-Volt Smoke Alarm with Battery Backup
Brand Kidde FireX Kidde Kidde
Ratings (317) (84) (134) (30)
Commercial / Residential Commercial / Residential Commercial / Residential Commercial / Residential Commercial / Residential
Alarm Type Smoke Smoke Smoke Smoke
Power Source Hardwired Hardwired Hardwired Hardwired
Alarm Sensor Type Ionization Dual-Sensor Ionization Ionization
Alarm/Detector Features Battery Back-Up,Hush Feature,Interconnected Battery Back-Up,Hush Feature,Interconnected 10-Year Battery,Battery Back-Up,Hush Feature,Interconnected,No Additional Features,Tamper Resistant Battery Back-Up,Hush Feature,Interconnected
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Customer Questions & Answers

We replaced nine smoke detectors with this model in our home. One beeps about every 30 seconds. Is it a bad unit?

Tried flipping the breaker but did not help.
Asked by: MO
I would contact the manufacturer with model number. They will tell you the definitive answer.
Answered by: Jimma6
Date published: 2017-03-07

Are these smoke detectors ionazation or photoelectric?

Asked by: sophie
They have a lithium ion battery.
Answered by: MGN
Date published: 2017-04-30

I live in a 12 year old condo with 5 hard wired smoke alarms w/9 volt battery backup I periodical...

I live in a 12 year old condo with 5 hard wired smoke alarms w/9 volt battery backup I periodically replace the batteries. Do these devices wear out over time and do I need to replace my existing alarms?
Asked by: Poppop
All alarms have a life span. You can get that info from the manufacturer's website when you research the make and model.
Answered by: Jimma6
Date published: 2017-03-07

Can I use the same ceiling mount bracke for this one as a i2040? Trying to avoid installing a new...

Can I use the same ceiling mount bracke for this one as a i2040? Trying to avoid installing a new ceiling bracket. Thanks.
Asked by: Laura
i i dont know changing to bracket is only 2 scews and very easy
Answered by: Anonymous
Date published: 2017-03-02
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Customer Reviews

Worry Free 120-Volt Hardwired Inter-Connectable Smoke Alarm with 10-Year Battery Backup is rated 4.4 out of 5 by 134.
Rated 5 out of 5 by from Easy to install (it had some quick setup instructions). Appears to be working fine and I really l... Easy to install (it had some quick setup instructions). Appears to be working fine and I really like that I don't have to replace the battery. The only annoying thing is that the closest Home Depot does not carry these, but all the other ones in the area appear to. Tip: there's a tab on the exterior of the unit that you need to press to remove it from the base.
Date published: 2016-12-29
Rated 5 out of 5 by from Truly the best of both worlds. Put this detector in the places that are a pain to access for bat... Truly the best of both worlds. Put this detector in the places that are a pain to access for battery changes, like high ceilings. Keep in mind that you'll have to wire a new pigtail if the old one won't fit your new alarm. Get a qualified person to do the installation if you're uncertain or uncomfortable with electrical wiring.
Date published: 2017-01-03
Rated 5 out of 5 by from Luckily we have not had to put it to a "test" (with a fire in our home!) but it seems an able rep... Luckily we have not had to put it to a "test" (with a fire in our home!) but it seems an able replacement for our outdated, obsolete smoke alarms. Size fit previous model with no problem with ceiling paint. Just installed January 2017.
Date published: 2017-01-31
Rated 5 out of 5 by from I liked the features that it had. Only negative remark is that the wire harness was compatible to... I liked the features that it had. Only negative remark is that the wire harness was compatible to the original that was replaced.
Date published: 2017-02-14
Rated 5 out of 5 by from Extremely easy to install. I love not having to worry about every needing to replace a battery. N... Extremely easy to install. I love not having to worry about every needing to replace a battery. No issues so far.
Date published: 2017-02-01
Rated 5 out of 5 by from Kidde I really like these! There the first ones That are Problem free and simple to install!
Date published: 2017-01-03
Rated 2 out of 5 by from If you love being awakened with false alarms at 2 a.m., this is the alarm to install! I bought e... If you love being awakened with false alarms at 2 a.m., this is the alarm to install! I bought eight (8) of these, with the idea that I wouldn't have to change batteries once a year and perhaps save some money. The reality is that after 3 months of installation, I have had 3 false alarms on 3 different devices. My research elsewhere now discloses that this is a characteristic of this alarm, as they are very sensitive to dust, insects, etc., all of which will trigger a false alarm. The company's suggestion to cure this? Use compressed air monthly to clean the units. So much for convenience and cost savings. Don't waste your money.
Date published: 2017-06-14
Rated 1 out of 5 by from Not happy with this product. I bought the product because of the maintenance free aspect of not h... Not happy with this product. I bought the product because of the maintenance free aspect of not having to change the battery for 10 years. However, the green light that glows solid also glows outside the unit around the entire perimeter of the base. It lights up the ceiling in a dark room and is very annoying, especially in the bedrooms. I am returning the product (all 6 of them) and going back to the older style with the 9v backup battery. I contacted Kidde customer support online a week ago and have not heard anything back from them. Poor customer support and relations. Would not recommend this product.
Date published: 2017-04-27
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