He bunged the header tank and he said something about draining down some of the connecting pipes, that could have been the ones to the pump?
So what do we do ? Do we let the whole system cool or do we keep running it and see if it improves ? Does it sort itself out over time ? Is there anything...
When my heating was on and the hot water was off the hot water tank was still heating up (after 3 days). Thought the valve must be bypassing or something SO:-
Along came British Gas and said the valve must be dried up so he changed it with a "service kit", that`s just the valve bit, a spindle...