Hi Dave may I suggest you repost ? with more info. abt system ie is it fully pumped with motorised valve(s), or Gravity fed HW tank, is there a tank thermostat & a room thermostat, what type of boiler do you have where, if fitted is circ pump? give us a clue & someone will try to help,regards SPARX
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!