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Mend Vaillant VCW 242 EH Home Heating Systems

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Mend Vaillant VCW 242 EH Combi Boiler Ignition Gas Valve

No Spark VCW 242 EH Vaillant Combi?

Hi need some help please. I have a Vaillant Combi VCW 242 EH & it will not fire up. It has no spark, pump & fan runs fine.
Have already tried a flame & spark supervision board & an electronics board. It appears to have no voltage to gas valve and ignition module that the ignition leads connect to. When sucking/blowing can hear air switch clicking.
Any ideas or help greatly appreciated.
If any more info required send me message.
Thanks Paul

Paul
December 2006
VaillantVaillant VCW 242 EHHeating, Home Heating SystemsCombi Boiler Ignition Gas Valve
pump definately running, new one fitted as it was partially seized...
Any other ideas?
Thanks for reply
Paul

Paul
December 2006
is the pump definetly running and not just seized. As these boilers need the pump to run to make the water differencial switch before it will ignite.

mark
December 2006

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Mend repair fix Vaillant VCW 242 EH home heating systems