mark 5

Hey guys. Experienced reg service tech here. Let’s take a look at this situation and try to find an answer? This is something that puzzles me. Recently I took my Scuba Pro MK V with balanced adjustable 109 conversion diving. The air temperature was 2 degrees celcius. The water was 3.8 degrees...

Looking for a bunch of Mark V pistons, new or used. The newer shouldered style, Part #10.101.003 Will offer excellent terms. They'll go to good homes! I'll consider an entire old Mk5 or Mk7 regulator (in any condition) with that style of piston, if we can work out a price. Thanks!

I was at the history of diving museum a year ago in Key Largo on my way out of town and I picked up a card for some guys who own a Mark V suit there and who will let people try it out for a fee. I found two reviews on Trip Advisor from last year but no other information. I get VM when I call...

I'm considering getting a couple of used MK5s but can't seem to find the service manual. I found manuals for many other models on vintagedoublehose.com and frogkick.com. VDH has the manual for the R109 second stage. Is it possibly included in some other file?