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First Alert SCO403 Carbon Monoxide and Smoke Detector, Combo Pack

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Click here to buy First Alert SCO403 Carbon Monoxide and Smoke Detector, Combo Pack by BRK Brands, Inc.. First Alert SCO403 Carbon Monoxide and Smoke Detector, Combo Pack
Model # 0002905400373
by BRK Brands, Inc.
$22.6
At Walmart
on 6-19-2017.
Buy Now

  • CO400 Battery Operated Carbon Monoxide Alarm Features: Modern, compact design with no installation required.
    • Electrochemical sensor - the most accurate technology available.
    • Simple to use silence/test button
    • low battery warning
    • end-of-life timer.
    • Loud 85-decibel alarm.
    • Convenient front battery access for easy replacement.
    • Operates on 2-AA Batteries. (included)
    • 5-Year Limited Warranty.
    • SA303 Battery Operated Smoke Alarm Features:
    • Ionization smoke sensing technology.
    • Single button silence/test feature tests sensor and horn and silences unwanted alarms for up to 15 minutes.
    • Loud 85-decibel alarm.
    • Swing-out front access battery drawer for easy battery replacement without dismounting unit.
    • Operates on 1-9V Battery. (included)
    • 10-Year Limited Warranty.


  • 2-pack includes smoke and CO alarms
  • Attractive design
  • UL listed for safety


  • Customer Reviews & Comments
    I installed this pair of smoke alarm and carbon monoxide detectors after ordering. First Alert is a very good brand and good quality. The price was really good. The smoke alarm did its job once whilw I was stir frying food in a very hot smoking wok and the smoke alarm went off as it should. The only minor problem was the lack of clear marking of which way to place the 9 volt battery in the battery door in the smoke alarm, but I figured it by observing that the hole size where the battery fits was 1 way only, when the battery is installed, It would help to have the battery terminal signs were clearly marked. Otherwise I am quite satisfied by the quality and appearance of the combo. To install them, you should measure the width of the holes and mark the wall accurately with a pen/pencil, so that you can install the anchors at the correct height and width, so a little thought while installing them is necessary. Would definately recommend this product and the price is very good.






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    Last Modified : 6-19-2017