Recent content by AndrewHD

SOLVED: Took the drain screw out of the pump for, maybe. 45 minutes with it pumping on medium... occasional spurting of bubbles interspersed with about 5 litres of water occasionally drained from an old cat litter tray... now the radiators are all hot and lovely. Thanks all

Hi everyone! hope you can help me - i just drained down my heating system, installed two new radiators and re-filled and bled my system... sadly it's not getting hot! I've bled the radiators and all of them are full now. when i turn the heating on, the pump (Grundfos UPS 15-60) makes more noise...