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
How to Deactivate your SF450EN Alarm
SF450EN Carbon Monoxide Alarm
Turn your detector over so that you are looking at the sticky label on the rear of the unit. Hold the unit lengthways so that the text on the label is facing the correct way for you to read it.
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