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Pilot Light not working?

I have a vaillant combi 25/1 T3W bolier, the pilot light does not stay lit, there is gas press available, can anyone help?

Andy
August 2012
VaillantHeating, Home Heating SystemsPilot Light Not Working
Either the thermocouple or the gas valve, or perhaps the pilot injector is partially blocked. Sorry to say but you'll struggle to find parts for these now, they are ancient :(

.
August 2012

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