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Mend Ferroli HE 31 Central Heating Boiler Fault

l have a ferroli he 31 boiler with fault 37 ?

I have tried opening both valves no joy.It only seems to happen when i put the central heationg on

Carole Taylor
October 2008
FerroliFerroli HE 31Heating, Home Heating SystemsCentral Heating Boiler Fault
Same here. Calling the Gorgi guy who fitted it a few months back. I will post the resolution (if there is one)

RB
December 2008

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