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Old 16th Jan 2020, 12:56 pm   #15
Join Date: Nov 2014
Location: Leominster, Herefordshire, UK.
Posts: 14
Default Re: Valve testing a 4212

Thanks everyone for the advice - I have already tested for continuity of the filament and it is good.
I think on balance I shall leave it there and sell it as is.
Tinker1966 is offline