Carbon Monoxide Alarm
With the latest sensing technology, a clear loud alarm and BSI Kitemark approvals, the FA3820-EUX10 carbon monoxide alarm offers the highest level of CO detection and will replace any end of life CO-9X alarms.
Ventilate warning
Pre‑alarm warning to open windows, reduces the risk of CO poisoning and prevents build‑up of dangerous CO levels.
Power source
With power inputs to suit all installations, you can be confident your FireAngel device will protect for years to come.
Sleep Easy
With our sleep easy function, users can silence battery alerts for 8 hours, providing vital time to replace an alarm and reduce nuisance noise.
Fast reaction to rising CO levels
Intelligent CO sensing technology enables the alarm's high sensitivity mode to be activated, if it predicts CO levels will increase to or above 180ppm for a quicker alert. More information: Operational conditions | Storage temperature (T-T) | -20 - 50 °C |  | Storage relative humidity (H-H) | 30 - 90 % | | Operating temperature (T-T) | -10 - 40 °C | | Operating relative humidity (H-H) | 30 - 90 % | Packaging content | Manual | Yes | Power | Power source type | Battery, DC | | Battery technology | Lithium | | Battery voltage | 3 V | | Battery life | 10 year(s) | Sustainability | Sustainability compliance | Yes | | Sustainability certificates | CE, UKCA, WEEE | Design | Product colour | White | | Housing material | Acrylonitrile butadiene styrene (ABS) | | LED indicators | Yes | | Mounting type | Surface-mounted | | Test button | Yes | Weight & dimensions | Width | 125 mm | | Depth | 33 mm | | Height | 67 mm | | Weight | 95 g | Features | Detected gas types | Carbon monoxide (CO) | | Detector type | Electrochemical detector | | Best uses | Home | | Connectivity technology | Wireless | | Alarm mute | Yes | | Alarm decibels | 85 dB | | Warranty period | 5 year(s) | | Certification | BS EN 50291-1:2018, BS EN 50291-2:2019 |
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