Recent content by trxrse

Thanks, Chris I think I understand the boiler. What I don't know though is if I'm allowed to change the overrun stat myself or not (legally). Thx trxrse

Hello, everybody I have a 30 years old Apollo boiler and this winter it's gone completely mad. It started to kettle especially when it was cold outside - I changed the three ports motorised valve and it's Ok now from this point of view. The problem though is that every time the pump goes...