vailliant

Had a Vailliant 838 boiler fitted about 7 years ago by Etta via British Gas. It has been serviced every year by Etta. Last year it developed a fault after several visits by Etta and Vailliant, Vailliant refused to visit again saying the gas pressure was too low at the boiler and would not attend...

Hi yes I know this is an old combi boiler. I've had it for 22 years and it was in the house at least 5 years before we move in I believe. Boiler fire up fine. CH is fine. DHW activates diaphragm->servo->diverter valve, boiler starts and the heat exchanger gets hot. Water from tap gets hotish...

Hello, My Vailliant boiler was showing F.27 (incorrect sensing of flames). I opened the panel and replaced the 2A fuse. After that the boiler stopped responding. Status code now is S.O (Heating issue, no heat demand). Does not respond to opening hot water tap or turning on the radiator...

Dear all, I would like to apologize in advance for maybe repeating this question in this forum. Unfortunately i could not find the right thread that answered my question that is why I am addressing you guys and gals once again. I just recently purchased a Vailliant eloblock 28kw electric...