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Mend Ferroli Optimax HE 31 C Boiler Heating Pressure

ferroli optimax he 31 c?

hello, silly question - how on earth do i fill my boiler to increase pressure?

i have tried turning the blue valves but nothing appears to be happening. can anyone help???

thanks
Dumb blonde

dumb blonde
September 2009
FerroliFerroli Optimax HE 31 CHeating, Home Heating SystemsBoiler Heating Pressure

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