FireAngel FA3820-EUX10 10 Year Carbon Monoxide Alarm with Sealed Lithium Battery

The FireAngel FA3820-EUX10 Carbon Monoxide (CO) Alarm delivers high-level CO protection with a sealed 10 year lithium battery, advanced sensing technology and BSI Kitemark approvals. Designed with social housing and private rented properties in mind, it provides reliable long-life performance and can be used as a replacement for end-of-life CO-9X alarms.

Featuring intelligent low-level monitoring, the alarm can activate a high-sensitivity mode if it predicts carbon monoxide levels are likely to rise to dangerous thresholds, helping to provide earlier warning for occupants.

Advanced CO Detection for Faster Alerts

The FA3820-EUX10 uses an advanced electrochemical sensor calibrated and tested in real carbon monoxide gas. This proven technology enables rapid detection and accurate measurement of low CO levels, supporting earlier intervention.

Low-Level Monitoring, Pre-Alarm & Ventilate Warnings

For enhanced safety in managed properties, this alarm includes low-level monitoring with a unique pre-alarm and ventilate warning function, helping occupants respond sooner and reduce exposure risk. A built-in memory function can also indicate previous alarm activation.

Diagnostics Support for Managed Properties

The FA3820-EUX10 supports advanced diagnostics via an optional cable (sold separately), making it well suited to housing providers and landlords who require added visibility for maintenance and compliance checks.

Key Features & Benefits

• Sealed 10 year lithium battery for long-life, low-maintenance protection
• Advanced electrochemical sensor for rapid and accurate CO detection
• Certified to BS EN 50291-1:2018 and BS EN 50291-2:2019
• Low-level monitoring with pre-alarm and ventilate warnings
• High-sensitivity mode can activate if rising CO levels are predicted
• Memory function indicates previous alarm activation
• Optional diagnostics support via cable (sold separately)
• Ideal for social housing and private rented properties
• Calibrated and tested in real carbon monoxide gas

Recommended Installation Locations

In line with BS 50292:2023 guidance, carbon monoxide alarms are recommended for installation in any room containing a fuel-burning appliance, such as:

• Kitchens
• Living rooms and dining rooms
• Bedrooms

Data Sheet:

View the FireAngel FA3820-EUX10 Data Sheet

Instruction Manual:

View the FireAngel FA3820-EUX10 Instruction Manual