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Mend Vaillant Boiler Light Spark

BOILER WAS INSTALLED IN 1999..NOT SURE OF MODEL?

VAILLANT CONVENTIONAL BOILER FLAME WONT LIGHT UP...ALTHOUGH SPARK OK..

DEE JAY
December 2008
VaillantHeating, Home Heating SystemsBoiler Light Spark
test for voltage to the gas valve.
if no volts could be PCB.
if there is volts could be gas valve.

b
December 2008
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