0042741001083

Universal Security Instruments

Model MCN108

Internet #203672645

120-Volt AC Hardwired Carbon Monoxide and Natural Gas Alarm with Battery Backup

$28.28 /each
  • 9 out of 10 carbon monoxide incidents take place in the home
  • Natural gas leaks can be undetecable by the sense of smell alone
  • One installation protects against two deadly threats

Frequently Bought Together

Product Overview

Universal Security 2-in-1 Smart Alarm uses a single sensor to detector both CO and Natural Gas. Microprocessor Intelligence provides superior nuisance alarm resistance, along with temperature and humidity compensation, self diagnostics and Quick Find alarm origination features. Perfect for new or replacement installations. This 120-Volt AC/DC hardwired combination carbon monoxide and natural gas alarm offers time-saving installation features, value and quality.

  • 120-Volt AC Wired-in
  • 9-Volt battery backup (battery included)
  • Self diagnostic feature
  • Product end-of-life service warning
  • Test/reset button
  • Quick draw battery drawer
  • Interconnectable up to 24 compatible devices
  • Battery activation pull tab
  • Loud 85dB alarm
  • 5 year limited warranty
  • Click here for more information on Electronic Recycling Programs

Info & Guides

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Customer Questions & Answers

5 Questions3 Answers

Customer Questions & Answers

120-Volt AC Hardwired Carbon Monoxide and Natural Gas Alarm with Battery Backup
120-Volt AC Hardwired Carbon Monoxide and Natural Gas Alarm with Battery Backup

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1 answer

What "natural gas" does this device detect besides carbon monoxide?

This question is from 120-Volt AC Hardwired Carbon Monoxide and Natural Gas Alarm with Battery Backup
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New Jersey
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March 13, 2016
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March 14, 2016
Answer: 
The alarm detects Carbon Monoxide,Natural Gas,Smoke.
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1 answer

How is this installed; do you simply plug it in to an outlet?

This question is from 120-Volt AC Hardwired Carbon Monoxide and Natural Gas Alarm with Battery Backup
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New Jersey
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March 13, 2016
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March 14, 2016
Answer: 
This item is hardwired.
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1 answer

why not shipped to california?

This question is from 120-Volt AC Hardwired Carbon Monoxide and Natural Gas Alarm with Battery Backup
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calif
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November 7, 2015
model MCN108, 120V, co2 and nat gas
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November 17, 2015
Answer: 
Thank you for your recent inquiry with The Home Depot, RDY. California recently added new regulations that only allow 10 year models of these alarms, this is a 5 year model and does not fit with those new regulations. We appreciate your business and look forward to serving you in the future. Thank you for shopping Home Depot.
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Which brands are not compatible with this unit

This question is from 120-Volt AC Hardwired Carbon Monoxide and Natural Gas Alarm with Battery Backup
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West Deptford, NJ
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January 21, 2016
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Customer Reviews

Rated 3.7 out of 5 by 7 reviewers.
Rated 4.0 out of 5.0 by Easy install to take care of natural gas alarm Very easy to install and test right out of the box. This product was a fast way to handle the natural gas alarm for code requirements! I would recommend this product to other friends. July 20, 2016
Rated 1.0 out of 5.0 by Piece of garbage. Started giving false readings after a year, completely broke a few months later. Manufacturer wants $9 + s/h to replace via warranty, which is 1/3 the cost of the product in the first place. When I challenged, they said the manual states I have to pay that. Note that this does not even come with a manual. Look elsewhere, buyer beware. April 29, 2016
Rated 5.0 out of 5.0 by Great Purchase It works very well! since I installed it I get more protection with for monoxide and natural gas which I did not before. If I need any other supplies I would go to home depot. August 25, 2015
Rated 4.0 out of 5.0 by It's exactly what I was looking for. Erik McCook who is employed in your store at 2000 Hempstead Turnpike in East Meadow, LI is an outstanding associate. He has helped me with so many items I have purchased in your store and most recently with this Carbon Monoxide product. Because of his help I have always found what I needed. Home Depot is very fortunate to have him as a part of it's team. March 28, 2014
Rated 4.0 out of 5.0 by It has great features. The features are great. Customer Service was great in assistance. It was received before the time frame given. April 29, 2014
Rated 4.0 out of 5.0 by pretty good unit Woulld have preferred to buy the three in one unit: smoke CO;Gas but it was out of stock on line and the makers web site no longer shows it as a product. I think the test alarm should be longer. I could not judge the sould level because it is so brief.. Installation was simple, Be sure to check distance from the souces recommendation in the instructionsbefore placing. January 29, 2013
Rated 4.0 out of 5.0 by A little disappointed with this... I purchased 4 brand new ones to install cause I like the dual sensor. But one of them went out just after 60 days. Was quickly replaced by the manufacturer, but I am worried about the rest. July 22, 2013
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