Screaming central heating pump?
every now and then my central heating pump makes a loud screaming noise (running dry ) i have an open vented system yplan i have checked the header tank and it is full if i drain water from the system it refills as expected i cant work out why the pump keeps running dry i have to bleed it becoming more frequent i have also removed and flushed the pipe from the header tank to the pump so im sure there is no problems there please help
every now and then my central heating pump makes a loud screaming noise (running dry ) i have an open vented system yplan i have checked the header tank and it is full if i drain water from the system it refills as expected i cant work out why the pump keeps running dry i have to bleed it becoming more frequent i have also removed and flushed the pipe from the header tank to the pump so im sure there is no problems there please help
