UnbrandedCarbon Monoxide Alarm 1

    £8.99Typical price
    Test result

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    We have tested seven alarms that look like the alarm pictured here between 2016 and 2023 and each has failed to detect the presence of carbon monoxide reliably in our tests. If the CO alarm in your home looks like the one shown, you will need to replace it because our tests prove that it’s likely to be unsafe. We’ve given alarms that look like this one our Don’t Buy warning, based on the seven seemingly identical alarms that failed our CO tests.

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    • Aug 2022Last checked by Which?
    • Aug 2018First reviewed by Which?
    • Jan 2016Released