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Mend Ferroli Optimax he plus 31 c Boiler Repair Fault

How Do I fix?

Ferroli bioler optimax he plus 31 c
Fault light flashing F35
Boiler working fine
how do i get rid

colin w
October 2010
FerroliFerroli Optimax he plus 31 cHeating, Home Heating SystemsBoiler Repair Fault
System needs water pressure topping up.
'Boiler working fine' won't be the case for too long unless you do so.

Carefree
October 2010

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