Thank you for your reply, I am there this weekend and will have a look. The system has been in for about 15 years but just had it serviced before christmas. There was so much rubbish came out the radiators it was unbelieveable.
Yes, all heating circulators are adjustable. If your heating system is full of gunge it could do with being flushed out & a heating system cleanser added or something like a magnaclean (check out their website first). Both options will improve your boilers efficency.
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!