she's a runner - drained refilled and bled. Could it have been an airlock?
How cab air in the system increase pressure?? i would have thought it would have an opposite effect? especially around pump
Thanks for your quick replies
To give a little background on my worcester 24cdi...
i've recently decorated my spare room and had removed the radiator for access to wall ( closed both valves and drained pressure from radiator via bleed valve - system pressure not affected). Replaced and bled rad via bleed valve and...