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Deactivation Procedure for the SF350EN
Click on the Deactivation button above if you are experiencing unexpected, intermittent alarms with your SF350EN
Deactivation Procedure for the SF450EN
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.


View Datasheet PDF View 'Datasheet' PDF of this page Download the Acrobat PDF Reader

SF340

Designed for permanent installation 12Vdc, 24Vdc and 240Vac versions are available.

SF350EN

The World's first European Approved, self contained, battery powered unit. Guaranteed for 5 years

SF450EN

The new self-contained Carbon Monoxide alarm, giving a 6 year guaranteed life