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Mend Vaillant Gb 221

my vaillant VCW GB 221 boiler won't ignite?

I have an old Vaillant VCW GB boiler ( don't know the exact model could be 221 240 or 280h) the boiler won't ignite even though the pilot is lit. The pump appears to be working. There is enough pressure in the system.

phil
September 2009
VaillantHeating, Home Heating SystemsVaillant Gb 221
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