Looking after your boiler is really important - if anything goes wrong with it, that could be a sign that there is someone in it that needs replacing, or that the entire thing needs fixing up. If you are worried about your boiler, make sure that you get someone to come and fix it as soon as possible. But how do you know if there is something wrong with your boiler? It’s all about looking out for the signs. One of the most common signs that there might be an issue is when the boiler is leaking water. But what does this actually mean?