Thanks for that. Will have a look when back at home as I am working away for next few days. Without me being able to look at the boiler this is a stab in the dark but is it a stupid question to ask if it's a simple case of removing a pipe and flushing through?
Help Please
I have a Ferroli 102 which is slowly driving me insane. I know its last minute as the colder weather is now with us but I had a problem at the tail end of last winter which has not caused me an issue since as I am only now starting to us my central heating.
The expansion tank...