Carbon Monoxide Detectors Frequently Asked Questions

Can I Use a Honeywell Wireless CO Detector w/o an Alarm System?
A Honeywell Wireless CO Detector can still activate its internal sounder if it detects carbon monoxide while it isn't enrolled with a system. Learn about Honeywell CO Detectors.
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How Often Should I Replace a Honeywell Carbon Monoxide Detector?
Most Honeywell CO Detectors have a 10-year lifespan. But it is important to check the instructions to be sure. Find out how often a carbon monoxide sensor must be replaced.
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Why is Total Connect 2.0 Showing the Incorrect Life-Safety Alarm for My VISTA-128BPT?
Any VISTA-128BPT running FW Version 11.4 or lower with 2*22 enabled will display the wrong alarm type when a fire alarm is initiated on Partitions 2 - 8. Learn about this issue.
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Why Am I Unable to Bypass Certain Sensors or Zones?
There are certain Zone Types that cannot be bypassed on a system. These include 24-Hour Zones and Temperature Zones. Find out why you cannot bypass certain sensors.
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How Do Carbon Monoxide Detectors Work?
Carbon monoxide (CO) detectors look for unusually high levels of CO gas in the air. This is important for preventing unsafe exposure to CO gas. Learn how CO detectors work.
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Why am I Not Receiving Carbon Monoxide Notifications from My Lyric Panel via HomeKit?
Carbon monoxide notifications from HomeKit actually appear as General Lyric System Alerts. They cannot be distinguished between other alarms through HomeKit. Learn about HomeKit.
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How Do I Program a Honeywell 5800CO Carbon Monoxide Detector?
The first step when enrolling a 5800CO is to put the panel into its wireless enrollment mode. You can then auto-enroll using the device's test button. Learn to program a 5800CO.
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Will an Encore FireFighter FF345 Work w/ a CO?
The Encore FireFighter FF345 is a life-safety sensor takeover module that listens for the unique temporal sound of an activated smoke or CO sensor. Learn about the FF345.
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Where Do I Place a Carbon Monoxide Detector?
You should have at least one CO detector on each floor of your home. Some common locations for CO detectors include near bedrooms and near attached garages. The devices should be placed 5 feet off the ground and away from direct sunlight or moisture. Learn more about where to place CO detectors.
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Where Should I Install a Carbon Monoxide Detector?
There are some simple guidelines to follow when deciding where to install a CO detector. Depending on the size of the building, you may need to install more than one. Typically, there should be at least one CO detector on each floor of the building. Learn more about where to install a CO detector.
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