ferroli f30 water heats fine-ch fires up but cuts out after 30 secs?

ferroli f30 water heats fine, but ch cuts out after 30 secs-is it a pump problem or something else?
maurice smith, November 2006


done
same happened on my f30. It turned out to be the venturi for the pressure switch to sense airflow pressure differential that was the wrong shape. changed that and then it was fine.

wallywaldo, February 2008
boiler req new sensors

john, November 2007
link Click here to see other fixes for Ferroli F30.