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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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.
    $97.23

    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
    $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.
    $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       
    $22.04

    Kidde Heat Detector HD135

    The Kidde HD135F is a 120VAC Wire In Heat Alarm that responds to temperature rather than smoke.
    $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
    $65.99