Thanks Tony ... I'll get back to Hereford Boiler Services ... and ask them to chase it up ...
and BingoBongo it is definitely electronic but I dont know anything about gas valves so dont know about that bit ...
http://www.heatingreplacementspares.co.uk/Results.aspx?PageNum=1&PageSize=15&searchtype=5&manu=MYSON&manuid=123&app=HOUSEWARMER+55+ELECTRONIC+BBU+%26+LEGEND+2+976+FIRE&appid=123173&pt=ELECTRODE&ptid=123173|ELECTRODE
That is the direct link to the item ... Having checked the Part No. I see it...
I have a Myson Housewarmer 55 back boiler which was installed in 1993. It was serviced last week but during the service the electrode broke.
My engineer ordered a new one but when he came to fit it today it was quite obviously the wrong one and was a different size and shape. He said it was...