Early symptoms of carbon monoxide poisoning | Incorrectly installed, poorly maintained or poorly ventilated household appliances, such as cookers, heaters and central heating boilers, are the most... | By TateOil | Facebook
Which? - When did you last check your carbon monoxide alarm? If you can't remember - make sure you check it this week! | Facebook
![BritMums on Twitter: "Did you know CO is called the 'silent killer' - you can't see, taste or smell it. A #COalarm could alert you to CO in your home. Get the BritMums on Twitter: "Did you know CO is called the 'silent killer' - you can't see, taste or smell it. A #COalarm could alert you to CO in your home. Get the](https://pbs.twimg.com/media/DQhvvpvW0AAkQcV.jpg:large)
BritMums on Twitter: "Did you know CO is called the 'silent killer' - you can't see, taste or smell it. A #COalarm could alert you to CO in your home. Get the
![Black sooting stains around the top of the boiler can be a warning sign that it could be leaking lethal levels of carbon monoxide fumes. - Next Step Marketing Black sooting stains around the top of the boiler can be a warning sign that it could be leaking lethal levels of carbon monoxide fumes. - Next Step Marketing](https://mb.cision.com/Public/286/9900151/addba7ee622a68f6_org.jpg)