Battery operated carbon monoxide alarm with mute button to silence any nuisance alarms. Single button also tests alarm functions. Carbon monoxide alarm utilizes electrochemical sensor for increased accuracy. 5-year limited warranty. Carbon Monoxide alarm meets UL standards.
This carbon monoxide alarm is for you if:
● You want basic protection from the threat of carbon monoxide.
Where To Place Carbon Monoxide Alarms: One on every level of the home and one in each sleeping area.
First Alert Carbon Monoxide Alarm CO400
Average Customer Rating Based on 83 reviews:
It really works! - 12/26/2015
We have this model in our 2nd floor bedroom which is right above the kitchen. One evening, we used the oven and were having some issues with it heating up. I thought we got it figured out. A little while later, the CO2 alarm went off and wouldn't shut off until we opened all the windows and got fresh air in the house. Needless to say I'm very pleased with this product and I got a new stove too!
Reviewer: Patricia Coleman
easy to install..
Reviewer: Roger Jungmeyer
Thank you for the timely and professional service. Delivered exactly as ordered. Thank You
Great for the money - 04/30/2015
Reviewer: Juan Melendez
This is a great product to buy. Thank you First Alert
Good CO Alarm - 04/20/2015
Reviewer: Cherry Croft
Works well. Easy to Install
Reviewer: Michael Duff
Seems to work, I guess I don't have any carbon monoxide!
Carbon Monoxide Alarm - 04/08/2015
Reviewer: Cheryl Marble
Was very pleased with the clean look of the product and also the ease of installation.
Good Buy - 04/02/2015
Reviewer: Dennis Zwigart
Good buy on a CO detector. Easy to install.
Review of basic battery carbon monoxide alarm - 03/31/2015
Reviewer: James OReilly
I love this product. It works well. No false alarms and it takes a battery. Quick product delivery, too.
Carbon Monoxide Alarm - 03/30/2015
Reviewer: JOHN BRINSTER
I needed just the C. M. Alarm for each floor of my home, and these are excellent !
Q: How often do you need to change the batteries?
A: Actual battery service life depends on the particular design of your smoke or carbon monoxide alarm and the environment in which it is installed. All kinds of alarm batteries specified in the user's manual are acceptable replacement batteries. Regardless of the manufacturer's suggested battery life, you MUST replace the batteries immediately once the unit starts "chirping" (the "low battery warning"). It is recommended that you change the batteries in your alarms when you change your clocks for daylight saving time. Also consider replacing your current alarms with 10-Year Life alarms that never require a costly battery replacement for the ten year life of the alarm. This 10-Year series is available in smoke, carbon monoxide and combination alarms.
Q: How do I get my carbon monoxide alarm to stop chirping?
A: 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.
Q: Where should I install carbon monoxide alarms? What is proper carbon monoxide alarm placement?
A: 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.
Q: Is there anywhere I shouldn't install carbon monoxide alarms?
A: 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.
Q: How many carbon monoxide alarms should I have in my home?
A: 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.
Q: What is the proper way to do a carbon monoxide alarm test?
A: 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.
Q: Is it a false alarm when my carbon monoxide alarm sounds and there doesn't seem to be a problem?
A: 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:"
Q: Will carbon monoxide alarms detect explosive gas leaks?
A: No, a single function carbon monoxide alarm reacts to carbon monoxide only. To detect explosive gas, you need an explosive gas detector. Different kinds of explosive gas can be detected and it is recommended that any home that utilizes natural or propane gas have at least one explosive gas leak detector.
Q: I'm ready to change my alarm battery - what replacement batteries can I use?
A: Check your User's Manual or the nameplate on the back of the alarm. Different smoke detectors & CO alarms use different kinds of batteries - 9V, AA, AAA - it all depends on the particular model you have. Use quality batteries like lithium batteries - having plenty of power is worth any extra cost. Never use rechargeable batteries because they may not always provide a consistent charge.