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Smoke and Carbon Monoxide Detectors

Shop smoke and carbon monoxide detectors for home alarm replacement and everyday safety, including hardwired smoke alarms, plug-in carbon monoxide alarms, and combination smoke and CO alarms with battery backup. Find options from Kidde and BRK for detecting smoke or dangerous carbon monoxide levels, depending on the model. Before replacing an alarm, confirm its detection type, power source, mounting requirements, and compatibility with any interconnected alarms in your home.

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  • $32.16 - $32.16
    $32.16
    $32.16 - $32.16
    $32.16

    Kidde Hardwired Smoke Alarm with AA Battery Backup - 21033081

    KIDDE

    Kidde Hardwired Smoke Alarm with AA Battery Backup - 21033081Restore portable battery power with this universal/spec-match Kidde Hardwired Smoke Al...

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    $32.16 - $32.16
    $32.16
    $32.16 - $32.16
    $32.16
  • $68.66 - $68.66
    $68.66
    $68.66 - $68.66
    $68.66

    BRK Plug-In Carbon Monoxide Alarm with Battery Backup - CO605B

    BRK ELECTRONICS

    BRK Plug-In Carbon Monoxide Alarm with Battery Backup - CO605BAdd dependable carbon monoxide detection with BRK Plug-In Carbon Monoxide Alarm with ...

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    $68.66 - $68.66
    $68.66
    $68.66 - $68.66
    $68.66
  • $127.88 - $127.88
    $127.88
    $127.88 - $127.88
    $127.88

    BRK Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup - SC9120B

    BRK ELECTRONICS

    BRK Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup - SC9120BAdd dependable smoke and carbon monoxide protection with this BRK Hardwi...

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    $127.88 - $127.88
    $127.88
    $127.88 - $127.88
    $127.88
  • $25.99 - $25.99
    $25.99
    $25.99 - $25.99
    $25.99

    BRK Hardwired Ionization Smoke Alarm with Battery Backup - 9120B

    BRK ELECTRONICS

    BRK Hardwired Ionization Smoke Alarm with Battery Backup - 9120BAdd dependable residential smoke detection with this BRK Hardwired Ionization Smoke...

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    $25.99 - $25.99
    $25.99
    $25.99 - $25.99
    $25.99
  • $38.99 - $38.99
    $38.99
    $38.99 - $38.99
    $38.99

    DrySafer Dryer Lint Alarm - DS201401E

    DRYSAFER CORPORATION

    DrySafer Dryer Lint Alarm - DS201401EAdd dryer vent restriction and overheat monitoring with this DrySafer Dryer Lint Alarm - DS201401E. The system...

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    $38.99 - $38.99
    $38.99
    $38.99 - $38.99
    $38.99