Recent content by TJ

I've just (finally) cleared a problem with my central heating system - the problem was that the pipe from the header tank was so furred up with limescale that the system was not re-filling. As water expanded, it was being ejected out of system overflow and top of system was left dry when things...

Cheers for the quick responses - first time I've tried this 'on-line problem solving' - it's great. Apologies for the confusion - when I said there's nothing coming out of the bleed valve, I meant no air. Water is coming out of all radiators, as normal. There is water in the header tank...

I have a confusing problem with my central heating system, and any assistance would be gratefully received. System is a fully pumped system fired by a Potterton Netheat back-boiler. When the system is activated, all seems to be correct: 3-way valve turns, pump starts and boiler fires. (Very)...