After the hot water decided to stop working totally (no fault codes at all to help) and the fourth plumber replaced the inlet/flow switch and spend hours tinkering, I simply called a fifth plumber..... No5 said the same, "These are cheap and nasty boilers", that he has "only ever fitted when a...
You can read the instructions until you are 'blue in the face' and it may not help!
I had one of these boilers fitted when builders made me a new kitchen extension, the plumber was 'subbed' in and handed me the instructions as he left saying that he 'didn't like Ferroli' and to talk to the...