hi guys i have now replaced the aps and still no joy prima f 50 still not firing.have ordered spares from maplin for the pcb board....re soldered all the joints on board still no joy, what is the chances of it being the gas valve??
my boiler ignites but then within seconds stops even though it is alight.
britsh gas have replaced the spark igniter and cable and it lasted a month before the same problem reoccured. They have been called out on several occasion since and they reset the gap which resolves the problem for a couple of weeks but within the month the same problem re occurs
Simon Mallett
September 2009
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