The condensate pipe going into the condensate is unlikely to be frozen. Has it got a clear hosepipe type pipe running off could be worth bowing down that is likely any frozen part. It may have been blocked or have a jamming float valve. Tbh as its working would just leave to bg to sort as and...
It can be expensive lesson to just start throwing parts at it especially expensive pcbs. For whats its worth the thermistors are a quite prone to playing up and are lot cheaper to change sounds lile a overheating issue to me. Again it would be better to carry out some basic checks first before...
Would never personally go for a compact where a regular sized boiler would fit. The former usually have had comprises to save space The latter are generally better laid out and easier to work on.
Boilers like anything dont like to be sat around for months on end the fans in particularly on...
Chances are its something done today to much of a coincidence. Biasi combi or system boiler? Did he just change stat at wall or renew wiring etc in boiler. Check the obvious first stat to hw left down for example.
Double check you have turned both islation taps fully off exactly 90 degrees across for the slots then keep bleeding I radiator even after water comes out with a bowl catching the water untill its around 1.2 bar.
Firstly ive never held my g3 cert so im unqualified to advise on position of expansion etc im sure there are more experienced who would be more knowledgable. You should
also get someone in to to that side with appropiate quals. As for the heating side. Its worth checking if your boiler has an...
Re remove tail you need around a dozen wraps of ptfe going clockwise. A smear of plumbers mate wont to it any harm also check the leak isnt from the valve face as they have a habit of tricking you into where you think the leak is
I know if it was me id be fitting a combi with a mixer shower asap it would fit your needs perfectly. If you are intent on keeping the wau Whatever you do get it serviced regulary by someone who knows what they are doing as they have the potential to become very dangerous given its age I would...
I think a good starting point would be to fit a gate valve on the hot water side so that can be balanced down along with the radiators. Above to motorized valve on the hw flow