Unbranded Carbon monoxide alarm 4 review
Don't Buy this carbon monoxide (CO) alarm – it failed to sound in 17 of our carbon monoxide detection tests
It failed to detect CO in 17 of our detection tests and it can't be trusted to alert you if there’s a build-up of the deadly gas in your home.
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This dangerous carbon monoxide (CO) alarm cannot be relied upon to detect CO and then sound the alarm when you need it to. That's why we’re making it a Don’t Buy. It failed to detect CO in 17 of our detection tests and can't be trusted to alert you if there’s a build-up of the deadly gas in your home. If you have this alarm, you should replace it as soon as possible with a model from a well-known brand.
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How to choose an effective carbon monoxide detector that you can trust - find out about the different types and how to choose a safe, user-friendly model.
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Ensure your own and your family's safety by installing carbon monoxide alarms correctly. Our Which? experts reveal the right place to fit carbon monoxide alarms to ensure they stand the best chance of detecting killer CO gas.
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The key carbon monoxide symptoms explained. Find out the tell-tale carbon monoxide symptoms and what to do if you think there's a carbon monoxide leak.