Firex Smoke Alarms

  Firex/Kidde i4618 Hardwire Ionization Smoke Detectors with Battery Backup    

Firex 4618 Smoke Alarm




Product Details
  • 120vAC hardwire smoke detectors with 9v battery backup
  • Ionization sensor
  • Front loading battery door
  • Smart hush control
  • Interconnectable with up to 12 Firex or Kidde AC/DC smoke detectors
  • Five year limited factory warranty


The Firex/Kidde i4618 is an ionization 120V AC smoke detector with 9V battery back-up for single or multiple station use. The Smart Hush Control allows you to quiet an unwanted alarm for up to 8 minutes. Includes front loading battery door, 85 decibel horn, test switch and dual purpose LED indicator. Constant green power-on confirms AC power is present. Latching LED feature identifies smoke detector that initiated an alarm in an interconnected system with a flashing red LED. Interconnectable with up to 12 Firex or Kidde AC/DC smoke alarms. The Firex/Kidde i4618 smoke detector, item 21007581, is UL Listed and includes a five year limited factory warranty.

Note: The Firex/Kidde i4618 is not fully interchangeable with the older Firex 4618 smoke alarm.  The new Firex/Kidde i4618 mounting plate is larger in diameter with a different hole pattern, and the electrical connection is a 3-prong triangle instead of a straight row. A new wiring harness is included with the i4618.


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