My Ferroli Optimax 25c boilier is not producing hot water?
I have a Ferroli Optimax 25c boiler which stopped producing hot water. The presuuer is correct, the display is flashing. When the hot tap is turned on I cannoit hear the boiler igniting.
Swap the flow meter for a new one. It is positioned on the cold intake pipe where it enters the boiler. There are three wires on the plug that connects to it coloured red,blue and black.
Richard
January 2009
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