FireAngel CO Detector FA3820 with 10-year sealed battery, carbon monoxide alarm

FireAngel CO Detector FA3820 with 10-year sealed battery is a carbon monoxide alarm designed for continuous domestic monitoring of CO levels. The unit contains an integrated sealed power source intended to provide up to 10 years of operation without battery replacement, and an electrochemical sensor calibrated to detect elevated carbon monoxide concentrations and trigger an audible alarm. The compact housing and simple controls make the detector suitable for mounting on walls or ceilings in living areas, bedrooms and near fuel-burning appliances.

Advantages

The FireAngel CO Detector FA3820 offers long-term reliability through its sealed 10-year battery, reducing maintenance and the risk of power loss due to removed batteries. An electrochemical sensing element provides consistent and accurate detection of carbon monoxide, and the device emits a clear audible alarm when unsafe levels are detected. The detector is compact and unobtrusive, designed for easy installation and regular domestic use without the need for routine battery changes.

Suitable for

• Homes with gas boilers, wood-burning stoves or fireplaces
• Bedrooms and living rooms to provide continuous monitoring while occupants sleep
• Garages and utility rooms where fuel-burning appliances are installed
• Households seeking a low-maintenance CO detection solution

Key specifications

• Detection type: carbon monoxide (CO)
• Power source: sealed non-replaceable battery designed for up to 10 years of operation
• Sensing technology: electrochemical CO sensor
• Alert: audible alarm for elevated CO levels
• Mounting: wall or ceiling installation
• Intended environment: indoor residential use

How to use

Install the detector according to manufacturer placement guidance, typically on a wall or ceiling in the rooms to be monitored and away from direct drafts or strongly ventilated areas. Use the mounting template or bracket supplied to fix the unit securely, and test the device after installation using the test button to confirm the audible alarm and operation. Maintain a clear area around the detector and follow the product manual for end-of-life signals indicating when the device should be replaced.

Usage recommendations

Locate the detector close to sleeping areas and fuel-burning appliances, avoiding corners, very dusty places and locations directly above stoves or cooking appliances. Test the alarm periodically, keep vents and airways unobstructed, and replace the detector at the end of its operational life as indicated by the device to ensure continued protection against carbon monoxide exposure.