AC Hardwired Interconnected

Kidde hardwired carbon monoxide alarms & combination smoke/CO alarms can be wired into an existing Kidde interconnected system. Most models include battery backup.

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Kidde KN-COB-IC Hardwire Carbon Monoxide Alarm with Battery Backup, Interconnectable

  • 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.
    In stock
    $41.99

    Kidde KN-COP-IC Hardwire Carbon Monoxide Alarm with Battery Backup and Digital Display, Interconnectable

    • Digital Display – Displays the level of carbon monoxide the unit is sensing. The unit updates this reading every 15 seconds.
    • 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.
      In stock
      $61.94

      Worry-Free AC Wire-in Combination Smoke & Carbon Monoxide (CO) Alarm Sealed Lithium Battery Backup

      • Sealed 3V Lithium Battery Backup - 10-year* tamper proof battery eliminates need for battery replacement. Alerts user to replace alarm after 10 years of operation.
      • Voice Warning - Warns of hazard by announcing “Fire!” or “Warning, Carbon Monoxide.”
      • Intelligent Sensor Technology - Reduces nuisance alarms and offers fast response to real fires.
      • Test/Hush Button Functions - A single button that tests alarm circuitry and temporarily silences nuisance alarms.
      • Two LED Display - Red LED indicates alarm mode, Green LED indicates AC power is present.
      • Peak Level Memory - Alerts user when the unit has detected CO concentrations of 100ppm or higher.
        Out of stock
        $97.23

        CO120X Carbon Monoxide Relay Module

        The Kidde CO120X can be used to activate auxiliary warning devices such as external bells and sirens, hallway or stairway lighting. This relay will only activate when it receives a CO signal from an interconnect Carbon Monoxide Alarm. When in the activated mode (as a result of a CO signal), this device will deactivate if it receives a smoke interconnect signal from a compatible device.

        In stock
        $24.99