Not tried anything else as I said I am a DIY disaster so would rather get the advice of someone like yourself who knows first.
Sorry for delay in replying been away for a few weeks.
Just got this reply from another forum does anyone here concur?
"Sounds like your diverter valve has failed. You need a Corgi registered gas engineer. Shouldn't be too expensive".
The electrician was my Father in law so no $$ changed hands.
The model is a Baxi Combi 80 Eco.
Hope that is of help, should have put it in first place really.
I am a complete ignoramus with all things DIY so I apologise in advance.
My problem - Combi system in my new home (system about 4 years old I believe)heats radiators whether I select hot water only or hot water & heating regardless?
I have had an electrician check the boilers wiring and...