many thanks for the replies but i will have to call round and at least take the case off, been a gasman 29yrs this year but never been involved in breakdowns, only on my own stuff,thanks again Paul
hi wonder if anyone can help with this problem, i'm trying to diagnose this from a phone call from my fav aunty. She tells me the boiler is firing up, water gets a little hot but then runs cold. Am i right in thinking its the dhw diaphragm ?. I dont want to get the part travel there and it be...