Recent content by AndiC

Thanks Tony

Hi agile. Thank you. Do you know how we might stop it from happening again? If he cleaned the heat exchanger last time and added the spirotech thing, and neither of these have helped long term, is this likely to be a yearly problem do you think? Sorry to ask more questions....

;) thanks TWGAS. I did mean more so that I didn't get flustered when they started to talk about the inner workings of a boiler, and I had a vague idea I what they were saying might be related to the problem!!:). Can you help with that? Thanks

Hi. We have a potterton he plus 28 combi boiler fitted 2 years ago in a house that previously had no boiler or heating system. When we turn on the hot water it asks for heat, but when the temperature gets to about 80 degrees it starts a knocking sound and pressure gauge wobbles between 1-2 bar...