AC Hardwired Interconnected

Replacing an old Firex™ alarm? Make the job quicker by adding a KA-F Quick-Convert Adapter when replacing another brand alarm with a Kidde manufactured alarm. Replacing an old First Alert™ or BRK™ smoke alarm? Make the job quicker by adding a KA-B Quick-Convert Adapter to each new alarm. View the specifications first, to ensure compatiblity.

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Firex i5000 Hardwire Ionization Smoke Alarm with Alkaline Battery Backup by Kidde

Easy Installation
  • Front battery pull tab allows battery activation without removing alarm from mounting bracket
  • Large mounting base makes mounting easier, protects surface paint from dirt and covers imperfections
  • Pre-stripped wiring harness with easy-off cap does not require stripper tool. Tinned strands increase conductivity and wire nut grip
Fewer Callbacks
  • Large centrally located Test/Hush® alarm control button
  • Dust cover protects sensor from contaminates during construction, reducing nuisance alarms
User-Friendly Features
  • Easy access front-loading battery door
  • Battery backup provides protection in case of power failure
  • Interconnectable with up to 24 devices (of which 18 can be initiating) including smoke, CO and heat alarms
In stock
$31.49

Kidde P12040 Photoelectric Hardwire Smoke Alarm with Battery Backup, Interconnectable

Easy Installation

  • Front battery pull tab allows battery activation without removing alarm from mounting bracket.
  • Large mounting base makes mounting easier, protects surface paint from dirt and covers imperfections.
  • Pre-stripped wiring harness with easy off cap does not require stripper tool. Tinned strands increase conductivity and wire nut grip.


Fewer Callbacks

  • One button design for easy operation and less confusion. Operates Smart Hush„¢ and alarm test.
  • Battery run down protection will shut down alarm memory when AC power is not present, reducing low battery chirp.
  • Dust cover protects sensor from contaminates during construction reducing nuisance alarms.


User-Friendly Features

  • Tamper resist locking feature deters alarm theft.
  • Alarm memory flashes red LED indicating which unit was the initiating alarm in interconnected system.
  • Interconnectable with up to 24 devices (of  which 18 can be initiating) including smoke, CO and heat alarms.
In stock
$27.99

Kidde i12040 Hardwire Smoke Alarm with Battery Backup, Interconnectable

Easy Installation

  • Front battery pull tab allows battery activation without removing alarm from mounting bracket
  • Large mounting base makes mounting easier, protects surface paint from dirt and covers imperfections
  • Pre-stripped wiring harness with easy off cap does not require stripper tool. Tinned strands increase conductivity and wire nut grip


Fewer Callbacks

  • One button design for easy operation and less confusion. Operates Smart Hush™ and alarm test
  • Battery run down protection will shut down alarm memory when AC power is not present, reducing low battery chirp
  • Dust cover protects sensor from contaminates during construction reducing nuisance alarms


User-Friendly Features

  • Tamper resist locking feature deters alarm theft.
  • Alarm memory flashes red LED indicating which unit was the initiating alarm in interconnected system
  • Interconnectable with up to 24 devices (of  which 18 can be initiating) including smoke, CO and heat alarms       
In stock
$22.04

Kidde Heat Detector HD135

The Kidde HD135F is a 120VAC Wire In Heat Alarm that responds to temperature rather than smoke.
In stock
$34.76

Hardwired Smoke & Carbon Monoxide Detector with Voice Alerts - 900-CUAR-V

  • 2X the Detection - Alerts you to both smoke & CO using a single alarm.
  • Self-Testing - Smoke & CO alarm is equipped with components that are always checking to ensure the device is operating as expected.*
  • Whole-home Alarm Activation - Expand detection via hardwired connections to other Kidde alarms – when one alarm sounds, they all do.**
  • Voice alerts - Voice warning alerts of “Fire!” when a smoke or fire hazard is present, “Warning: Carbon Monoxide!” when CO is detected or “Replace Alarm” at the end of life of the device.
  • Power Source: Hardwired AA Battery
  • Sensor: Electrochemical & Photoelectric
Out of stock
$65.99