Glyn,
I scanned all the old manuals I could find and uploaded them back when I
was the VAC webmaster. Something I would encourage members to continue to
ask for and support. The Bowen manual is here:
http://airstream.net/members/documents/appliance%20manuals/
RJ
> All,
>
> Sorry to be asking such a stupid question but I haven't a
> clue how to
> adjust the air mix for my factory original six-gallon Bowen
> water heater. I
> know that the slotted collar with set screw is used to
> achieve the proper
> mixture but I really don't know what I'm supposed to be
> looking for to get
> the right mix.