Carbon Monoxide Alarm - Electrochemical Sensor - Hardwired with 9V Battery

2 Reviews
Brand: Kidde
Mfr Part Number: 21006406

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The Kidde KN-COB-IC is an AC wire-in carbon monoxide alarm that warns you and your family of dangerous carbon monoxide levels. It includes multiple contractor friendly features to ensure easy installation and minimal troubleshooting. This alarm interconnects with up to 24 Kidde devices (of which 18 can be initiation) including smoke alarms, CO alarms and heat alarms on one wiring network. The KN-COB-IC includes a 9V battery backup along with a 10-year limited warranty.

  • Battery Pull Tab – Eliminates battery installation time and keeps battery fresh
  • Adjustable Mounting Bracket – Allows for fast installation and perfect alignment
  • Quick Connect –Installs quickly with snap-on harness
  • Sealed Cover –Reduces nuisance alarms. Sealed to protect sensor from contaminants prior to installation
  • Tamper Resist Locking Feature –To deter battery and alarm theft
  • Alkaline Battery Backup – for continuous protection in case of power failure

Brochures & Spec Sheets

Spec SheetKidde 21006406 SpecsDocumentationKidde KN-COB-IC Installation

Electrical & Operational Information

Operating Temperature40?F - 100?FWiring TypeLine Voltage, Battery


Alarm TypeCarbon MonoxideColor FinishWhite
Housing MaterialThermoplasticHumidity Range5% - 95%
Sensor TechnologyElectrochemicalSound Level (db)85

Included Components

Emergency Battery Includedyes

Warranty & Certifications

CertificationsNFPAProduct Warranty10 Years
UL Listedyes

Dimensions & Measurements

Product Length (in.)1.8Product Width (in.)5.75
Product Height (in.)5.75

Ratings & Reviews

2 reviews

  • 4 stars
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  • 2 stars
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  • 1 star
  • 0 reviews
8/1/2018 12:00:00 pm

fast service

by Guest -

fast service

11/21/2018 12:00:00 pm

it was the correct one,l it works well.

by tom s. -

it was a goid tu=\ime repose from the time i ordered to the time i had installed itl i was very hqappy with the service