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Mend Ferroli Optimax HE38C Boiler Problems Water

how can i fix ferroli optimax he=38c boiler?

boiler has run with no problems for about six months now have problem with pressure dropping. have added water to bring up pressure but this drops down within one day . no leaks on pipework or in radiators. can you help

cyril fyffe
January 2012
FerroliFerroli Optimax HE38CHeating, Home Heating SystemsBoiler Problems Water
check pressure relief valve any sign of water outside
the wall ,change the valve

ltd
January 2012
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