I HAVE HAD A VOKERA LINEA 24 FOR THE LAST 10 YEARS. IT HAS BEEN SERVICED ON A REGULAR BASIS HOWEVER FOR THE LAST 5 YEARS A CONTINUAL FAULT ON THE BOILER IS THAT THE 03 FLASHING RED LIGHT COMES ON AND I HAVE NO HOT WATER THEN NO CENTRAL HEATING.
I HAVE HAD NUMEROUS C REG FITTERS ATTEMPT TO...