Click on the Deactivation button above if you are experiencing unexpected, intermittent alarms with your SF350EN
Click on the Deactivation Button above if you are required to deactivate your SF450EN
CO Alarms
All Carbon Monoxide alarms from Honeywell Analytics use the latest electrochemical sensing technology, providing unrivalled levels of accuracy and reliability.
For added peace of mind, our patented self-checking software continuously monitors the condition of the sensor and electronics. All our CO alarms are independently certified to meet the latest performance standards and carry the BSI kite-mark.