The pressure on our glow worm bolier keeps dropping down to nil and the bolier turns itself off! We've tried putting a fix through the radiators, which is supposed to fill any leaks or holes in the system, but this hasn't worked. Has anyone had a similar problem? Can anyone help!?
check all the visible joints and valves,including the stems,there must be s sizeable leak somewhere,and aside from the inconvenience of the shut down,the leak will be causing damage somewhere
its not neccessarily a leak, it could be that your pressure relief valve is opening up and dumping all the water out of the back of the boiler (there should be a short copper pipe at the back of the boiler that goes through the wall to outside, see if it is dripping or has been dripping, if it has then it could be your expansion vessel needs repressurising.