Kidde K4MCO Mains Powered Carbon Monoxide Alarm

The Kidde K4MCO is a high-performance mains-powered CO alarm designed for modern residential properties, including new builds, refurbishment projects, and rewiring installations. This advanced mains-powered carbon monoxide alarm provides continuous protection against dangerous carbon monoxide leaks while offering the added security of a rechargeable lithium battery backup during power outages.

Designed for seamless integration into existing fire safety systems, the Kidde K4MCO can be wirelessly interlinked with compatible Kidde Firex smoke and heat alarms, helping to create a fully connected home safety network. Its dependable electrochemical sensor technology delivers accurate carbon monoxide detection, while the built-in end-of-life warning alerts users when the alarm needs replacing after its 7-year sensor lifespan.

Ideal for landlords, homeowners, and contractors, this mains-powered CO alarm combines reliable performance with easy installation and long-term peace of mind.

• 7-year sensor lifespan

• Power: 230V mains powered with battery backup

• Backup Battery: Rechargeable lithium battery

• Can be hard wire interlinked with Kidde Firex smoke and heat alarms

• Ideal for new builds and refurbishment projects

• End-of-life warning notification

• Suitable for ceiling installation

• CE marked and Kitemarked to BS EN 50291-1

• Sensitivity level: 30ppm (parts per million) CO gas

• Features a test/reset button for regular testing