Search results

Think I'll openen it up again , just check everything is as it should be. Is there any chance an air lock could be the problem,top piston comes out for central heating but not as far out for dhw

Hi folks , looking for help ,could only get hot water when heating was on, so bought diaphramgs an replaced both top and front, front one had hole, now I ca n still only get hw with heating on, noticed when heating switched on piston comes out top and operates micro switch, but when asking for...