Hi, the boiler clicks and blasts into life with we put a hot tap on, but nothing comes out, sometimes it may be lukewarm or warm for a bit then it runs out.
Thanks for replies
Hi, we have a Heatslave 20/25 installed, it had a service last Dec and ran fine for the three or four months after that we used it for. We recently started using it again and all of the radiators apart from one which was stone cold were heating up to maximum even though the boiler was set to the...