Kidde Plug-In Combination Explosive Gas/Carbon Monoxide Alarm Detector with Battery Back-Up

Item # 456958 | Kidde Part # 21006677 | UPC Code 784908011305 | UNSPSC Code 46191501 | Catalog Page #1136
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Product Overview

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
  • 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


Alarm Sensor Type
Certifications and Listings
UL Listed
Battery Back-Up, Digital display, Hush Feature
Mount Type
Pack Size
Power Source
Product Depth (in.)
Product Height (in.)
Product Width (in.)
Required Battery Type

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