0047871257652

Kidde

Model # KN-COB-DP2

Internet # 205423758

Store SKU # 1000392353

Plug In Carbon Monoxide Alarm with Battery Back-Up

$26.97 /each
  • Plug in CO dectector
  • Battery back up

FREQUENTLY BOUGHT TOGETHER

PRODUCT OVERVIEW

Model # KN-COB-DP2

Internet # 205423758

Store SKU # 1000392353

Kidde AC/DC carbon monoxide alarm plugs directly into your home’s standard wall outlet. The 9-Volt battery backup provides protection even during power outages when many CO incidences occur. Tamper resist feature deters tampering or theft of the unit.

  • Tamper resistant
  • Battery backup
  • Hush feature
  • 5 year limited warranty



Info & Guides

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SPECIFICATIONS

Dimensions
Product Depth (in.) 
1.5 
Product Height (in.) 
4.5 
Product Width (in.) 
2.75 
Details
Alarm Type 
Carbon Monoxide 
Alarm/Detector Features 
Battery Back-Up 
Battery Back-Up 
Yes 
Commercial / Residential 
Residential 
Connector/Contact Type 
None 
Included 
Batteries 
Power Source 
Plug-In 
Returnable 
90-Day 
Voltage (volts) 
120 
Warranty / Certifications
Certifications and Listings 
1-UL Listed 

MORE PRODUCTS WITH THESE FEATURES

Power Source: Plug-In
Alarm/Detector Features: Battery Back-Up
Brand: Kidde
Price: $20 - $30
Review Rating: 4 & Up
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10 Questions17 Answers

Customer Questions & Answers

Plug In Carbon Monoxide Alarm with Battery Back-Up
Plug In Carbon Monoxide Alarm with Battery Back-Up

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4 answers

Why does the device chirp? The battery is new. It has been unplugged. Does it need to be plugged into elec outlet to prevent chirping?

This question is from Plug In Carbon Monoxide Alarm with Battery Back-Up
Asked by
Irvine, CA
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November 11, 2014
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Asked by
Portland, OR, USA
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Home Improvement Profile: DIYer
August 11, 2015
Answer: 
The OLD device was chirping BEFORE I read the old directions & then I bought the new one - a plug-in with a battery back-up. Easy to put in the back-up battery of the new one and then plug it in & get a green light. No problems!
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Asked by
cary
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July 5, 2015
Answer: 
it uses 2 aa batteries, lasts 10 years, dont un plug it and get new batteries if needed. , if the batteries died you can get new ones from Home Depot or a 4 pack at the dollar store ,,, Do not not let it sit with out being pluged in or without fresh batteries. it is a must if your house has gas appliances, stove, fire place, water heater furnace etc. This is a SAFETY issue,, be safe rather thatn Read More
it uses 2 aa batteries, lasts 10 years, dont un plug it and get new batteries if needed. , if the batteries died you can get new ones from Home Depot or a 4 pack at the dollar store ,,, Do not not let it sit with out being pluged in or without fresh batteries. it is a must if your house has gas appliances, stove, fire place, water heater furnace etc. This is a SAFETY issue,, be safe rather thatn sorry... Read Less
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Asked by
Central Wisconsin
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January 29, 2015
Answer: 
This particular unit is designed to be plugged in all the time. It's supposed to chirp when the main power is not present....to let you know that it's on battery and that life is finite. Thx for the question.
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November 12, 2014
Answer: 
Hello. In reference to your question, it sounds like the battery has gone low from the alarm running just on battery. This unit can only run on battery alone for up to 20 hours. You can not use this alarm as a battery-only alarm. If this doesn't answer your questions, please call us at 1-800-880-6788 with the alarm itself in hand and with the battery, and we will be happy to help you. Thank you for your Read More
Hello. In reference to your question, it sounds like the battery has gone low from the alarm running just on battery. This unit can only run on battery alone for up to 20 hours. You can not use this alarm as a battery-only alarm. If this doesn't answer your questions, please call us at 1-800-880-6788 with the alarm itself in hand and with the battery, and we will be happy to help you. Thank you for your interest. Read Less
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3 answers

Discrepancy -- see detail below.

This question is from Plug In Carbon Monoxide Alarm with Battery Back-Up
Asked by
Ludlow, VT
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May 25, 2015
Some ads for this Kidde Model # KN-COB-DP2 say battery backup is via 2 AA batteries. Other ads say a 9-volt battery is required. ????????
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Asked by
Portland, OR, USA
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Home Improvement Profile: DIYer
August 11, 2015
Answer: 
That is the correct Model # and it takes 2 AA alkaline batteries. It states I should replace in 7/2025.
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May 26, 2015
Answer: 
The battery back-up for the Kidde Plug In Carbon Monoxide Alarm is a 9-volt battery.
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May 26, 2015
Answer: 
Hello Stew. In reference to your question, the product overview on this website right now says "Kidde AC/DC carbon monoxide alarm plugs directly into your home’s standard wall outlet. The 9-Volt battery backup provides protection even during power outages when many CO incidences occur. Tamper resist feature deters tampering or theft of the unit. •Tamper resistant •Battery backup •Hush feature •5 year Read More
Hello Stew. In reference to your question, the product overview on this website right now says "Kidde AC/DC carbon monoxide alarm plugs directly into your home’s standard wall outlet. The 9-Volt battery backup provides protection even during power outages when many CO incidences occur. Tamper resist feature deters tampering or theft of the unit. •Tamper resistant •Battery backup •Hush feature •5 year limited warranty". This is in error and we are working with Home Depot to get it corrected. This unit is 120V AC Plug-In with 2 AA batteries and has a 10 year limited warranty. The owner's manual and more information about this alarm is available at http://www.kidde.com/home-safety/en/us/products/fire-safety/co-alarms/kn-cob-dp2 or you can call us at 1-800-880-6788. Thank you for your interest. Read Less
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2 answers

Why not put a detector in the basement?

This question is from Plug In Carbon Monoxide Alarm with Battery Back-Up
Asked by
Northern VA
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February 10, 2016
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Answers (2)

February 12, 2016
Answer: 
The monitor should be at least 15 feet away from gas appliances in order to avoid false alarms. Additionally, it should be kept away from dusty areas and areas that are prone to have insects.
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February 12, 2016
Answer: 
Hello Maryann. We recommend keeping the carbon monoxide alarms at least 15 feet away from gas appliances to avoid nusiance alarms and out of areas prone to dust and insects. If you only have one, it should go near the bedrooms and not the gas appliances. We are Kidde Product Support at 1-800-880-6788. Thank you for your interest.
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2 answers

I plugged my unit in and it has continually chirped every 60 seconds after its initial start up beep. Did I miss a step?

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January 18, 2016
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January 29, 2016
Answer: 
This will chirp is it has a low battery.
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January 20, 2016
Answer: 
Hello Dana, a 60 second chirp is a low battery chirp. Please try unplugging the alarm and see if it chirps on battery only. If not, it is chirping because it is not getting battery power. Please uninstall, then reinstall the batteries. If you have any issues after doing so, please call Kidde Product Support when you are with the alarm and they will be able to walk you through resolving the issue Read More
Hello Dana, a 60 second chirp is a low battery chirp. Please try unplugging the alarm and see if it chirps on battery only. If not, it is chirping because it is not getting battery power. Please uninstall, then reinstall the batteries. If you have any issues after doing so, please call Kidde Product Support when you are with the alarm and they will be able to walk you through resolving the issue (1-800-880-6788). Thank you for reaching out. Read Less
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CUSTOMER REVIEWS

Rated 4.5 out of 5 by 26 reviewers.
Rated 4.0 out of 5.0 by Great Find This carbon monoxide alarm is perfect for a small space and works well. May 3, 2016
Rated 1.0 out of 5.0 by Not Ten Year Quality Electronics. Purchased and this unit last August. A month ago it started chirping once every 60 seconds. It was hard to find because we had installed in a low AC plug, in a hall area outside of two bedrooms. There were also two new smoke alarms in the bedrooms, and a smoke alarm on the ceiling in the hall. Since the new smoke alarms are sealed, it is not possible to disable them by removing a battery. Spent a lot of time listening for the once a minute chirp. The chirp has a very high pitched, disembodied sound, and is very hard to tell where it originates. I looked last at this CO detector, as it is an AC powered unit. Tested the batteries and they are both above 1.6 volts. Left the alarm sitting on a shelf (no AC) for a couple of weeks with batteries in, and it would chirp once or twice a day. Kidde Tech Support assures me that batteries on this unit should be replaced every six months to a year, even when on AC power all the time. Yet, the problem is not batteries, but poor quality electronics that can't reliably detect perfectly good batteries. So sad that the California government has started requiring us to buy, install and maintain garbage alarms. March 9, 2016
Rated 4.0 out of 5.0 by Easy install, peace of mind I thought I was going to have to wrestle this unit out of the plastic, but it has an easy open design with perforations in the plastic (see photo). Item looks nice, functions well and is reasonably priced. Only wish Kiddie, "the worlds largest manufacturer of fire safety products," had a recycling program and/or cradle to grave business model. They state in their core values that they "are environmentally responsible and drive to sustainability." By doing what...? July 21, 2015
Rated 4.0 out of 5.0 by Good alarm This alarm is powered by an AC outlet but also has a battery backup in case you lose power. The batteries come already installed. All you need to do to use the battery backup is to remove a plastic tab that is coming from the battery compartment. The light on the front indicates if something is wrong with the unit or air quality. Green is good, red is bad. The instructions state that the unit does self checks to ensure everything is working correctly. There is a test button on the front. When pressed, the alarm sound is nice & loud & will certainly alert most people that something is wrong. I would definitely take the 5 minutes to read the instructions when you install this. There is a lot of good info in there, and some minor details that are good to know about this device. Lastly, this alarm is good for 10 years once powered up. After 10 years, annoying alarms will force you to throw it away. August 4, 2015
Rated 5.0 out of 5.0 by Very Efficient and Looks Good! This alarm was very easy to install. It was recommended by the Gas person who repaired my heater. There is a very bright small green light that helps me navigate through my bedroom when the lights are out. A great value for the price. March 28, 2015
Rated 5.0 out of 5.0 by CARBON MONOXIDE ALARM w/BACK-UP BATTERY Very easy to install battery & test & plug in. It worked immediately. My old one, 15 yrs old, kept chirping even after changing the old battery, so upon reading the directions I determined the old one was 'kaput'. I have an attached garage & think everyone needs this alarm to be safe. The clerk was helpful in explaining the differences between lines. August 11, 2015
Rated 5.0 out of 5.0 by Carbon Monoxide Alarm I purchased this carbon monoxide alarm about a month ago. Very easy to install and works just fine. August 25, 2015
Rated 4.0 out of 5.0 by Basic but Vital The Carbon Monoxide monitor seems like your basic model. However, it does have a tape attached where you put the date of purchase to ensure that it's replaced in 10 years. OSHA suggests replacements be made every 5 years. I've only had it a week... September 8, 2015
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