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Mend Vaillant Boiler 10 Switch

vailient boiler ?

My vaillient boiler is 10 yrs old, the fuse blows when i switch on replaced twice still the same problem, please help, Sharon

Sharon
January 2010
VaillantHeating, Home Heating SystemsBoiler 10 Switch
you have a faulty component in the boiler. most likely gas valve, pump or fan

Ian
January 2010

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