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Mend Saunia Duval F 30 Combi Home Heating Systems

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Mend Saunia Duval F 30 Combi Boiler Fault Lockout

boiler fault?

saunia duval f 30 combi is flashing red 21 and is in lock out mode , wont reset .any clues ?

michael
September 2009
SauniaSaunia Duval F 30 CombiHeating, Home Heating SystemsCombi Boiler Fault Lockout

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