Well at least you tried. Thanks
My plan of action then is to check there is no air in the system and if not switch over the cylinder feeds. Im still convinced its this as when the boiler is heating the water the top feed on the cylinder is red hot but the bottom is stone cold.
My plan of action then is to check there is no air in the system and if not switch over the cylinder feeds. Im still convinced its this as when the boiler is heating the water the top feed on the cylinder is red hot but the bottom is stone cold.