I had the same problem from the day the boiler was installed. A Ferroli engineer couldn't sort the problem and neither could my local CORGI registered plumber. It's something I've learned to live with ... but it ain't nice when you get scalded ... and one doesn't always remember to remind guests!
an unhappy ferroli boiler owner
May 2007
miniumum and maximum gas pressures are critical it may be
modulation to high
John Rowlands
March 2006
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