Vintage Frank confirmed this in a recent email to me. The original year for the Adjustable was 1969 and that fits in with the s/n on Bryan's second stage. The S/N begins with a 9; and at that particular time it indicated the year of manufacture. I'll try to attach a picture he sent.Greg Barlow wrote:Those are from one of the earliest production examples. Years ago, forum member, DA Aquamaster, rebuilt a MK5/109 for me. It had the exact same parts, which I still have. DA AM told me it was from the first generation of 109s.
Are you asking about the parts in my post? If so please email me about them and we will work something out.vintagefrank wrote:Anybody out there who has these valve parts and would sell them to me? I have one of the very early 109s but the valve has been retrofitted. Would love to install the original valve for my upcoming book on Scubapro regulators.
thanks in advance
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