Thank you for replying. Sorry for the delay was making dinner and washing up!!
Yes I understand the boiler stat may have gone, it makes sense I suppose. Is there anyone I can confirm this before getting it changed?
The boiler is Potterton Flamingo II RS50 if that helps. Pretty old but...
I have been having some thumping/clattering sounds from my airing cupboard (tope part ainly where the pipes go up into the loft) for a little while now (3 weeks approx.)
After enough of this I decided to investigate:-
I have 2 tanks in my loft, and a U shaped pipe go over each tank. The...