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Mend Ferroli Optimax HE 31C Boiler Heating

Fan is running constantly when boiler is not in use?

Ferroli Optimax HE 31C boiler. No fault code showing

Ron Cotgreave
August 2015
FerroliFerroli Optimax HE 31CHeating, Home Heating SystemsBoiler Heating Ferroli

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Ferroli Optimax HE 31C Fan Running - Fix