Thanks for this! :)
I will put the heating on later and see what the score is.
If it was a large leak in the system, do you think that I would have seen it by now. I am worried that there is water leaking under the floorboards etc that I cant see. Would that chemical leak fixer sort out a...
My combi boiler keeps losing pressure. I realise that this is to do with the amount of water that is in the combi boiler. I have figured out how to use the filling loop and am currently having to fill the boiler every time I use the central heating for longer than an hour before I can even get...