First Alert CO400 Gas Leak Sensor
Item No.
Mfg Part No.
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Product Information for First Alert CO400 Gas Leak Sensor

Highlights for First Alert CO400 Gas Leak Sensor

Marketing Information

Battery powered carbon monoxide detector from First Alert with mute button to silence any nuisance alarms. Single button also tests alarm functions. Utilizes electrochemical sensor for increased accuracy. Easy, front access to the battery. 5-year limited warranty. Meets UL standards.


General Information

  • Product Type: Gas Leak Sensor
  • Manufacturer Part Number: CO400
  • Manufacturer Website Address:
  • Packaged Quantity: 1
  • Manufacturer: First Alert
  • Product Model: CO400
  • Product Name: CO400 Gas Leak Sensor
  • Brand Name: SISCO
  • Miscellaneous

    Additional Information

  • Alarm mute button
  • End of detector life timer
  • Loud 85db alarm
  • Package Contents

  • CO400 Gas Leak Sensor
  • 2 x AA Batteries
  • Physical Characteristics

  • Dimensions: 8.56" Height x 2.29" Width x 6.38" Depth
  • Weight: 8.64 oz
  • Color: White
  • Power Description

    Technical Information


  • Standard Warranty: 5 Year Limited