I'd say it is, the boiler is really pretty old, it'll be ripped out at some stage in the not too distant future. As it happens he'd given me the wrong part number. It was 800917, thanks Sooey!
Sorry, I should have said I had it diagnosed by a Gas Safe engineer. He said he could purchase a new one for £120 or a cheaper alternative was buying a reconditioned unit, while he'd fit it he wouldn't purchase it as he didn't want the liability if it developed issues . He never mentioned the...
Guys,
I wonder if anyone can tell me whether a 2 fuse, 7 wire PCB (900847) is a suitable replacement for the 1 fuse, 5 wire PCB (with the same part number) on a Glow Worm Ultimate 30FF.
Yours,
G