Kidde KF20R


Optical Smoke Alarm

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Brand: Kidde Part #: 91575 Categories: , Manufacturer Part #: KF20R


Mains-powered optical smoke alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat. Once interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.


Weight 4.00 lbs
Dimensions 5.25 × 5.25 × 1.50 in

Production Status


  • Interlink with up to 23 Firex hard-wired alarms
  • Alarm memory
  • Dust compensation and bug screen
  • Auto reset after activation
  • Tamper-resistant locking device
  • Mains operation – Built-in rechargeable Lithium back-up


Mains Optical Smoke Alarm; KF20R
Kidde – Data Sheet