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Mend Ferroli Optimax HC 31 C Home Heating Systems

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Mend Ferroli Optimax HC 31 C

my ferolli optimax hc 31 c boiler flashing a1?

my boiler is flashing a1 on screen pressure was high on 2 drained the valve to lower pressure now gone to 0 turned water pressure switch on to bring pressure back up now no water coming through & flashing fault f 21

jayne
February 2010
FerroliFerroli Optimax HC 31 CHeating, Home Heating Systems
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Ferroli DOMIcompact F 30 D?

Other models...

Ferroli 701Ferroli CodiceFerroli Domi Compact F30 BFerroli Domina 80Ferroli F30b COMBIFerroli i F 30Ferroli Medena 80 EFerroli Modena 80Ferroli Optimax 25 OVFerroli Optimax 800Ferroli Optimax bFerroli Optimax HE 31

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