Well he was descriptive about the "jacket" he said it protects the pipe from condensation, when he looked inside it he showed me all the condensation build up and reccommended this.
As for the resetting the stat, I haven't touched anything inside the boiler
Just realised yesterday if I put...
The problem is that I have central heatting (occasionally) and barely warm water. It occasionally flashes with an F1 or F5 error but if I wait a day or so and turn it on and off again the central heating kicks in fine but I still have barely warm water.
When I called my boiler insurance about...