Which type is it? check the type. WB1A? WB1B? WB2A etc. and please give me the 16 number serialnumber. The info is on a sticker, probably on the top or side of the boiler next to the exhaust.
Maybee i can help.
It has a problem with ionisation. There are very different possible causes.
Please let me know.
Joost
March 2009
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