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Carbon Monoxide (CO) Alarms Reminder Service

Carbon Monoxide (CO) is an odourless and colourless toxic gas that can only be detected by a working carbon monoxide alarm. Produced by the incomplete combustion of fossil fuels used in our everyday appliances, CO is capable of causing severe illness or even death if undetected.

It is crucial to regularly check that your CO alarm remains fully operational during its lifespan. Pressing the test button on your alarm allows you to check that the battery is charged, and that the sensor and audible warning are in full working order. Our reminder service helps you to remember to test your CO alarm at regular intervals, according to your chosen frequency. We also offer a reminder when the batteries in your alarm are due to be changed, as well as a reminder after 5 years that the alarm itself may be due for replacement. Reminders can be set as an SMS or an email.

The service is entirely free and can be cancelled at any time.

CO Alarm
co_alarm Reminders

CO Alarm

Carbon monoxide alarms should be tested regularly to ensure that they are working correctly.

Testing my CO alarm(s)

Please remind me to test my carbon monoxide alarm(s) every:

Replacing the batteries in my CO alarm(s)

Please remind me to replace the batteries in my CO alarm(s) every:

Replacing my CO alarm(s)

If you would like us to send you a reminder to replace your CO alarm, please fill out the fields below. Smoke alarms generally have a 5 to 7 year lifespan. We will send you a reminder 5 years from the date(s) you enter below.

How would you like to receive your reminder(s)?

Important: To ensure that you receive our reminder e-mails, please add to your address book.

Terms & Conditions

The information you provide is stored in a secure location and processed in accordance with current data protection regulation. Safelincs and any of its partners involved in the Reminders service will not, under any circumstances, use your details to send unsolicited promotional emails or pass them along to any third party and only use your data for the agreed purpose of sending you reminders.

Disclaimer: We will always strive to deliver the reminders on time and on an ongoing basis. However, technical and human errors do occur.

For this reason you should not rely solely on our service. Please ensure that you maintain your own reminder diary for testing your fire safety equipment.

The service can be cancelled at any time.


Reviewed: 29/11/2020 (doc:50 V1.0). Our articles are reviewed regularly. However, any changes made to standards or legislation following the review date will not have been considered. Please note that we provide abridged, easy-to-understand guidance. To make detailed decisions about your fire safety provisions, you might require further advice or need to consult the full standards and legislation.


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