I have a combination boiler .I have switched the central heating off and have left the hotwater to come on twice a day. When the hot water comes on the radiators are boiling hot. What causes this? I have never experienced this in the past. :?:
DIY how to tutorial projects and guides - Did you know we have a DIY Projects section? Well, if no, then we certainly do! Within this area of our site have literally hundreds of how-to guides and tutorials that cover a huge range of home improvement tasks. Each page also comes with pictures and a video to make completing those jobs even easier!