Model # 21027190

Internet #301627165

Store SKU #791898

Kidde Plug-In Carbon Monoxide and Explosive Gas Detector with 9V Battery Backup and Digital Display
0047871271900

Kidde

Plug-In Carbon Monoxide and Explosive Gas Detector with 9V Battery Backup and Digital Display

  • Carbon monoxide and gas alarm plugs directly into wall outlet
  • 9V battery backup for protection even during power outages
  • Digital display updates CO level in PPM every 15 seconds
$4997 /each
store icon Loading Buying Options...
package icon Loading Buying Options...
Sorry, but we ran into issues loading these options. Please try refreshing.

Frequently Bought Together

Product Overview

  • Carbon monoxide and gas alarm plugs directly into wall outlet
  • 9V battery backup for protection even during power outages
  • Digital display updates CO level in PPM every 15 seconds
The Kidde KN-COEG-3 AC powered, plug-in CO and explosive gas alarm protects you and your family from 2 deadly threats. The KN-COEG-3 includes 9-Volt battery back up that provides protection during a power outage, when AC-only units can not provide protection. By pressing the Peak Level Button you can see the peak CO level recorded by the alarm since it was last reset or unplugged. The continuous digital display shows you the level of carbon monoxide (if any) the unit is sensing as well as if gas is present. The gas sensor is a metal oxide sensor designed to detect natural gas (methane) or propane.
  • Alarm is easily installed in any of your AC wall outlets, giving you the choice of a direct-plug, a 6 power cord or a table top unit
  • 6 ft. power cord included for table top option
  • UL listed and offers a 7-year life and a 5-year limited warranty
  • Loud 85 dBA pulsing alarm that will sound to alert you to a potential problem
  • Peak level memory
  • Digital display
  • Product color may vary by store
  • 9-Volt battery backup provides protection during power outages
  • Carbon monoxide detector utilizes an electrochemical sensor to detect fire hazards and sounds an 85 db alarm when a hazard is detected
  • UL/CSFM ref KN-COEG-3
  • Click here for more information on Electronic Recycling Programs

Product Overview

  • Carbon monoxide and gas alarm plugs directly into wall outlet
  • 9V battery backup for protection even during power outages
  • Digital display updates CO level in PPM every 15 seconds
Model #: 21027190
Sku #: 791898
Internet #: 301627165

The Kidde KN-COEG-3 AC powered, plug-in CO and explosive gas alarm protects you and your family from 2 deadly threats. The KN-COEG-3 includes 9-Volt battery back up that provides protection during a power outage, when AC-only units can not provide protection. By pressing the Peak Level Button you can see the peak CO level recorded by the alarm since it was last reset or unplugged. The continuous digital display shows you the level of carbon monoxide (if any) the unit is sensing as well as if gas is present. The gas sensor is a metal oxide sensor designed to detect natural gas (methane) or propane.

  • Alarm is easily installed in any of your AC wall outlets, giving you the choice of a direct-plug, a 6 power cord or a table top unit
  • 6 ft. power cord included for table top option
  • UL listed and offers a 7-year life and a 5-year limited warranty
  • Loud 85 dBA pulsing alarm that will sound to alert you to a potential problem
  • Peak level memory
  • Digital display
  • Product color may vary by store
  • 9-Volt battery backup provides protection during power outages
  • Carbon monoxide detector utilizes an electrochemical sensor to detect fire hazards and sounds an 85 db alarm when a hazard is detected
  • UL/CSFM ref KN-COEG-3
  • Click here for more information on Electronic Recycling Programs

Info & Guides

You will need Adobe® Acrobat® Reader to view PDF documents. Download a free copy from the Adobe Web site.

Compare Similar

Price
$38.01 /each
$49.97 /each
$49.97 /each
$49.97 /each
Name Plug-In Explosive Gas and Carbon Monoxide Alarm with Digital Display Plug-In Carbon Monoxide and Explosive Gas Detector with 9V Battery Backup and Digital Display Plug-In Carbon Monoxide and Explosive Gas Detector with 9V Battery Backup and Digital Display Plug-In Combination Explosive Gas/Carbon Monoxide Alarm Detector with Battery Back-Up
Brand First Alert Kidde Kidde Kidde
Ratings (91) (162) (32) (357)
Alarm Type Carbon Monoxide Carbon Monoxide,Natural Gas,Propane Carbon Monoxide,Natural Gas,Propane Carbon Monoxide,Natural Gas,Propane
Power Source Battery Plug-In Plug-In Plug-In
Alarm/Detector Features Digital display Battery Back-Up,Digital display Battery Back-Up,Digital display Battery Back-Up,Digital display,Hush Feature
View Product View Product View Product View Product

Specifications

Dimensions

Coverage area (sq. ft)
0
Product Depth (in.)
1.8
Product Height (in.)
6.1
Product Width (in.)
3.8

Details

Alarm Type
Carbon Monoxide,Natural Gas,Propane
Alarm/Detector Features
Battery Back-Up,Digital display
Calibration (% of LEL)
25
Connector/Contact Type
None
Fixed or portable
Fixed
Gas(es) detected
Natural gas
Included
Batteries
Minimum detection (ppm)
70
Pack Size
1
Power Source
Plug-In
Response Time (sec.)
240
Returnable
90-Day
Voltage (volts)
120

Warranty / Certifications

Certifications and Listings
1-UL Listed

Specifications

Dimensions

Coverage area (sq. ft)
0
Product Depth (in.)
1.8
Product Height (in.)
6.1
Product Width (in.)
3.8

Details

Alarm Type
Carbon Monoxide,Natural Gas,Propane
Alarm/Detector Features
Battery Back-Up,Digital display
Calibration (% of LEL)
25
Connector/Contact Type
None
Fixed or portable
Fixed
Gas(es) detected
Natural gas
Included
Batteries
Minimum detection (ppm)
70
Pack Size
1
Power Source
Plug-In
Response Time (sec.)
240
Returnable
90-Day
Voltage (volts)
120

Warranty / Certifications

Certifications and Listings
1-UL Listed

Questions & Answers

Are there a lot of false alarms for the explosive gas component of model KN-COEG-3?

Asked by: SuzyQ
My experience after 2 months of use is NO false alarms....I have located it in a small furnace room that contains both a natural gas furnace and natural gas water heater. As for placing it in the furnace room when the instructions say not to place in furnace rooms--It was my only common sense option in the raised ranch home.-----In any event if i had a gas leak and had placed the detector in an upstairs location or down stairs bedroom far from the furnace and incoming gas lines It may be tooooo late as the gas would never reach the detector in time.... Am I missing something by placing It in the furnace room for earliest possible detection of a gas leak? Agan,I have had NO false alarms and like the units, but you must take time and educate yourself thru the instructions.
Answered by: ROCK
Date published: 2018-04-29

What ppm of carbon monoxide is this sensor able to detect?

We've been researching and it appears there was a law passed disallowing residential carbon monoxide detectors to measure CO below 30 ppm. We are concerned about chronic low-level CO exposure. Also, at what level does the alarm go off?
Asked by: FreshAir
Looks like the question has been answered, but something's amiss. If the Kidde expert is correct, then this model has been redesigned. My 2007 unit with the exact same model number and the exact same case design detects and displays down to 11PPM (Peak memory) -- this capability is specified in the manual.
Answered by: DIYGuy
Date published: 2016-12-02

How many decibels does the alarm sound at, and how many feet away can you hear it?

Asked by: Blackjack
Propane is heavier than air, so I believe that it would need to be closer to the floor level with that particular gas. Natural gas is lighter than air.
Answered by: sidewords
Date published: 2016-05-27

Does this unit work for natural gas

Asked by: jana
Definitely YES!
Answered by: quality1
Date published: 2018-04-28
  • y_2018, m_8, d_19, h_16CST
  • bvseo_bulk, prod_bvqa, vn_bulk_2.0.8
  • cp_1, bvpage1
  • co_hasquestionsanswers, tq_60
  • loc_, sid_301627165, prod, sort_[SortEntry(order=NUM_ANSWERS, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING), SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING), SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING), SortEntry(order=BEST_ANSWER_FEEDBACK_COUNT, direction=DESCENDING), SortEntry(order=POSITIVE_ANSWER_FEEDBACK_COUNT, direction=DESCENDING), SortEntry(order=NUM_ANSWERS, direction=DESCENDING)]
  • clientName_homedepot
  • bvseo_sdk, java_sdk, bvseo-3.1.1
  • CLOUD, getContent, 87ms
  • QUESTIONS, PRODUCT

Customer Reviews

Plug-In Carbon Monoxide and Explosive Gas Detector with 9V Battery Backup and Digital Display is rated 4.3 out of 5 by 162.
Rated 5 out of 5 by from I only gave a five-star review despite the fact that there is no easy practical way to test this ... I only gave a five-star review despite the fact that there is no easy practical way to test this device for actual function using real gas or CO. Set-up was easy and it appears to be functioning correctly. It is installed in the home of an elderly couple who have just recently converted to an LGP kitchen range. Hopefully this detector will never be needed, but it does provide additional peace of mind protection should a problem arise with the range or they accidentally leave a vehicle running in the attached garage. Big plus is that the alarm siren is loud and at a pitch even people with considerable hearing damage as myself can hear easily.
Date published: 2018-07-25
Rated 1 out of 5 by from Was disappointed in the design of this device, Battery that... Was disappointed in the design of this device, Battery that came with the unit was dead 2 weeks after purchase. The worst part is that it starts signaling when the battery is dead but wont tell you that the problem is the battery. It gives you a blinking code number but does not say "battery needs replacement"! Not knowing this you call the fire dept thinking there is a problem in the house. Poor design!!!!
Date published: 2018-07-22
Rated 5 out of 5 by from This is my third one. I purchased 2 back in 2011 when I moved in to my new home. One for the hall... This is my third one. I purchased 2 back in 2011 when I moved in to my new home. One for the hallway near our bedroom and the other for the great room. Kidde recommends for them to be replaced in 7 years. This one I just purchased is to replace the hallway one. The other one will be replaced in Jnauary 2019. I have always felt secure knowing I have them installed.
Date published: 2018-07-29
Rated 1 out of 5 by from I smelled a strong gas odor in my apartment and... I smelled a strong gas odor in my apartment and this did not detect anything wrong. The next day Coned came and said I had a terrible gas leak. When I asked why it did not detect the gas they said that it needs to be placed high since gas rises. Too bad that carbon monoxide detectors have to be low.
Date published: 2018-06-26
Rated 5 out of 5 by from I now have three (3) of this specific model in... I now have three (3) of this specific model in my home, 1 on each floor. With Propane Gas I feel I needed this on all levels since there is a furnace in the basement, gas stove on the main floor and gas clothes dryer on the upper level. I have entrusted my life to these dual purpose Kidde devices.
Date published: 2018-08-15
Rated 5 out of 5 by from Multiple installation configurations which allows for a wide range of... Multiple installation configurations which allows for a wide range of set ups. Easy to open packaging. It would be nice if the design could incorporate a thru plug freeing up the use of the outlet it occupies.
Date published: 2018-06-12
Rated 5 out of 5 by from I don't know how well it works. Thank Goodness! Easy... I don't know how well it works. Thank Goodness! Easy to plug in and start though. After a very large gas leak, I'm happy to have it in y home.
Date published: 2018-07-17
Rated 5 out of 5 by from Had one before and replaced it with a new one. My old one was 7 years old and Nighthawk requires ... Had one before and replaced it with a new one. My old one was 7 years old and Nighthawk requires them to be replace at 7 years.
Date published: 2018-07-11
  • y_2018, m_8, d_19, h_16
  • bvseo_bulk, prod_bvrr, vn_bulk_2.0.8
  • cp_1, bvpage1
  • co_hasreviews, tv_2, tr_160
  • loc_, sid_301627165, prod, sort_[SortEntry(order=RELEVANCE, direction=DESCENDING)]
  • clientName_homedepot
  • bvseo_sdk, java_sdk, bvseo-3.1.1
  • CLOUD, getContent, 95ms
  • REVIEWS, PRODUCT