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Wall Ceiling Carbon Monoxide Alarm (CD-9490) Battery Backup

Model #: CD-9490
This item No Longer Available.  eMail sales at for additional information or replacement product advice.

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Category Carbon Monoxide (CO)



The following links, images and information remain available for informational purposes only.


  • 3 digit digital display shows CO level when higher than 30ppm
  • Permanently installed semiconductor sensor
  • Peak level recall button
  • 9 volt battery backup in event of AC power failure
  • Mounts on single, gang or 4" octagon junction box
  • Convenient pull-out drawer for easy battery replacement
  • Battery pull-tab (activates battery and reduces installation time)
  • Low battery audible indicator
  • Can be interconnected with up to 18 Universal brand CO alarms (with 12 smoke alarms maximum)
    • When one CO detector unit goes into alarm, all interconnected CO units sound their alarm (will not sound smoke or heat alarms that are interconnected)
  • Test button


  • Sensitivity and tolerance (alarm will sound):
    • 70 ppm within 60 to 240 minutes
    • 150 ppm within 10 to 50 minutes
    • 400 ppm within 4 to 15 minutes
  • LED indicators:
    • Red: alarm condition when LED is flashing
    • Yellow: fault condition
    • Green: AC power indication
  • Voltage: 120 vAC (60Hz) 0.1 Amp
  • Standby Battery: super heavy duty carbon zinc (installed in "QUICK DRAW" battery drawer with Mylar pull-tab
    • Voltage (DC Standby)
      • Normal 9V @ 4.0 mA
      • Alarm 9V @ 10.5 mA
  • Wiring: AC Quick Connector with semi-stripped wires
  • Sound level: 86.7 dB at 10' down to 7.75 vDC
  • Acceptable backup batteries ONLY:
    • Alkaline: Eveready 522 or Duracell MN1604
    • Lithium: Ultralife U9VL-J
    • Battery life: approximately 1 year
  • Weight: 7 ounces / 195 grams
  • Dimensions: 5⅜" x 1" high

Supplied with:

  • Mounting plate
  • Warning/safety labels
  • Wire harness
  • Instructions & installation manual (download pdf version)
  • Battery
  • Five year limited manufacturer's warranty
Search Category: Home & Garden > Fire & Gas Safety > Smoke Detectors
First Product Previous Product Product 11 of 31 Next Product Last Product
Category Carbon Monoxide (CO)
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