I haved a ferroli combi boiler which has started losing pressure.
This has only started since we have stopped using the heating in the last few days.
I have looked at the boiler and there is water on top which is coming from the air vent.
What causes this and would this be enough to cause loss of pressure?
thanks
This has only started since we have stopped using the heating in the last few days.
I have looked at the boiler and there is water on top which is coming from the air vent.
What causes this and would this be enough to cause loss of pressure?
thanks