hi could be a few things could be the hot water diaphram could be divertor valve knackered best test is run the hot water and check if the heating pipes get warm that means the divertor valve is passing where are u
hi could be a few things could be the hot water diaphram could be divertor valve knackered best test is run the hot water and check if the heating pipes get warm that means the divertor valve is passing where are u