Recent content by btw

Thanks EliteHeat - can I possibly investigate/fix this, or is it a job for a professional?

Our house used to be gloriously quiet at night after the hot water and heating went off (timer controlled). Suddenly, and for no apparent reason, we now have a noisy airing cupboard all night! I think it's coming from the pump but cannot find any switches or CBs to turn it off. I have turned...