Recent content by loosenick

Fair point re changing pump, but it seemed to make sense at the time. The treatment I used was 'No Nonsense' from Screwfix. I left it in there about two weeks, but only running for about a week as I turned the system off due to boiler keep overheating. Can't find link anywhere on site to...

Help someone! I have the usual indirect heating system, with a 3 year old boiler. Started with rads not heating downstairs. Thought it was the pump, changed it. no joy! Thought there might be sludge in pipes, so put treatment in, and ran it. NOw boiler overheats at barely over minimum...