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Mend Ferroli Optimax HE 31C Boiler Heating Radiators

How can I fix my Ferroli Optimax HE 31C?

I have hot water but radiators won't fire up.

Derek Judge
April 2011
FerroliFerroli Optimax HE 31CHeating, Home Heating SystemsBoiler Heating Radiators
diverter vavle gets stuck in hot water position and some times other way round. can free them somtimes by taking them out and winding it by hand but my advice, while its out change it.

butlerplumbing
April 2011

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