I take your point totally but the previous two engineers failed to notice the problems myself and an electrical engineer identified and fixed ourselves.
On that basis how am I to choose an engineer? Should I be going Vokera specific?
Cheers
The boiler immediately gives an 01 at start. We believed we had resolved the issue but progressively over the last 7 days the 01 error messages have increased until total shut off. The hot tap seemed to be the issue tripping the 01 message, there is a suggestion also that the cold weather may be...