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Combination Explosive Gas and Carbon Monoxide Alarm with Backlit Digital Display

The First Alert GCO1CN Combination Explosive Gas and Carbon Monoxide Alarm provides clear, real-time readings with its backlit digital display. Simply plug it into any AC outlet for easy installation.

Dual Protection: Natural Gas and Carbon Monoxide Alarm

This Natural Gas Alarm and Carbon Monoxide Alarm provides essential protection for your home by detecting dangerous levels of CO and explosive gases. Accurately sensing methane and propane, this alarm also features an advanced electrochemical CO sensor to identify carbon monoxide leaks from sources like faulty appliances, blocked chimneys, or vehicles. A loud 85-decibel alarm swiftly alerts you to potential threats.

Backlit Display for Reviewing Readings

Equipped with a backlit digital display, this First Alert Carbon Monoxide and Natural Gas Alarm takes the hassle out of monitoring CO and gas levels in your home. The display gives you a clear readout of current and peak levels, allowing you to discern patterns that indicate potential leaks from an appliance, a generator, or other source.

Plugs into Any AC Outlet for Effortless Setup

Quick and easy to install, this combination natural gas and carbon monoxide alarm requires no wiring or professional help. Its compact design plugs directly into any standard outlet, while the included power cord offers flexible placement options. For added peace of mind, a 9-volt battery backup ensures continued protection during power outages. The alarm's convenient battery compartment allows for easy replacement without removal.

Easy to Operate and Test

Enjoy added convenience with remote false alarm silencing. This alarm can be paired with most standard household remote controls (not included). A simple one-touch button lets you easily test the alarm or silence unwanted alerts. And thanks to the end-of-life timer, you can know exactly when it is time to replace this carbon monoxide and natural gas detector.

First Alert Combination Explosive Gas and Carbon Monoxide Alarm GCO1CN

How do I get my carbon monoxide alarm to stop chirping?
If your carbon monoxide alarm keeps chirping, the battery may be low or weak. On First Alert carbon monoxide detectors, check to see if the battery light is yellow or green. If the alarm is chirping and the light is yellow, it means the battery is low. The way to get a carbon monoxide alarm to stop chirping is to replace the battery.
Where should I install carbon monoxide alarms? What is proper carbon monoxide alarm placement?
It is very important to install carbon monoxide alarms near or in each separate sleeping area. Many states now require that a carbon monoxide alarm is placed in each bedroom. For added protection, placement of an additional carbon monoxide alarm at least 15-20 feet away from the furnace or fuel burning heat sources is recommended. Also, install carbon monoxide alarms at least 10 feet from sources of humidity like bathrooms and showers. In two story houses, install one carbon monoxide alarm on each level of the home. If you have a basement, carbon monoxide alarm placement is recommended at the top of the basement stairs.
Is there anywhere I shouldn't install carbon monoxide alarms?
Do not install carbon monoxide alarms in garages, kitchens, furnace rooms, or in any extremely dusty, dirty, humid, or greasy areas. Do not install alarms in direct sunlight, or areas subjected to temperature extremes. These include unconditioned crawl spaces, unfinished attics, un-insulated or poorly insulated ceilings, and porches. Carbon monoxide alarms should not be installed in outlets covered by curtains or other obstructions. Do not install in turbulent air-near ceiling fans, heat vents, air conditioners, fresh air returns, or open windows. Blowing air may prevent carbon monoxide from reaching the CO sensors.
How many carbon monoxide alarms should I have in my home?
So how many carbon monoxide alarms should you have in your home? The National Fire Protection Association (NFPA) recommends that you should have a carbon monoxide alarm centrally located outside of each separate sleeping area in the immediate vicinity of the bedroom. For added protection, you should have additional carbon monoxide alarms in each separate bedroom and on every level of your house, including the basement. Some states now require that you have a carbon monoxide alarm in each bedroom of the house. If you install only one carbon monoxide alarm in your home, place it near or in your bedroom.
What is the proper way to do a carbon monoxide alarm test?
The following procedure is the proper way to do a carbon monoxide alarm test - Press and hold the Test Button on the front of the alarm until the alarm sounds. Be sure you hold the button down long enough; it can take up to 20 seconds for the alarm to respond to the test.
Is it a false alarm when my carbon monoxide alarm sounds and there doesn't seem to be a problem?
A carbon monoxide alarm false alarm should not occur if your alarm is in working order. Remember, carbon monoxide is an odorless, colorless gas. If your carbon monoxide alarm went off, it detected potentially harmful amounts of carbon monoxide. After the professionals have evaluated the situation, make sure no one has any symptoms of carbon monoxide poisoning.

Here are a few situations that may cause a carbon monoxide alarm "false alarm:"
  • The carbon monoxide alarm needs to be relocated. Carbon monoxide alarms should be located 15-20 feet away from all fossil fuel burning sources like furnaces and stoves. Alarms should be located 10 feet away from sources of humidity like showers.
  • Fossil fuel burning appliances may not be burning fuel completely. Check pilot lights/flames for blue color. Appearance of yellow or orange flames indicates incomplete combustion-a source of carbon monoxide.
Product Details
Product Specs
UPC:
029054018540
MPN:
1039760
Category:
Carbon Monoxide & Gas Alarms
Product Manuals

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GCO1CN customer reviews

Overall Rating

4.9
55 Reviews
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55 customers recommend this product
First Alert Explosive Gas and Carbon Monoxide Alarm - GCO1CN Reviews
Paul S
November 15, 2024
Verified Purchase
Good Gas detector

Arrived on time. Same as pictured and easy to install. I use the included wall plug instead of the batteries. I tested it at my gas range and alarm sounds. I would recommend this alarm to others.

Andrea W
April 29, 2024
Verified Purchase
Gas Alert

The detectors are easy to install. They are great for peace of mind.

EDWARD B
April 13, 2023
Verified Purchase
Easy to set up, compact design

Set up took just a few minutes and it tested perfectly.

Kenneth W
September 7, 2022
Verified Purchase
Gas and CO2

Works great!

Sarah R
March 1, 2022
Verified Purchase
easy to use

first alert shipped quickly, the explosive gas alarm has a backup battery and plugs into the wall. it shows it is working and the test button performed as it should.

Robert B
January 23, 2022
Verified Purchase
Combination, CO/Smke Detector

This was a replacement unit for a similar original installation. These units have a 5 yr life expectancy and my original was at its 5 year anniversary. I had no maintenance problems during its life just battery replacements. Fortunately it was never called upon to alarm. Easy and convenient to install. With gas fired HVAC and gas cook stove I felt the need to add this protection.

David R
November 19, 2021
Verified Purchase

Great product,great price,very quick shipping! 100% satisfied

David R
November 4, 2021
Verified Purchase

Perfect, fast shipping. I would recommend

Ross L
September 3, 2021
Verified Purchase
GCO1CN

Excellent alarm for propane use. We have never had a problem with it.

James S
July 6, 2021
Verified Purchase
carbon monoxide

this product is really and all of our customer loved this detector.

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