Suggestions for reliable very easy to service second stages.

[Jimmer]

Ok here is the situation. My instructor and I have decided to rig up a steel 72 with pure O2 and hang off the back off the charter boat for emergencies or use as an "O2 bar". I have a barely been used Genesis flow by piston first stage, that I was going to use, and wanted to hang 2 second stages off of it. My instructor doesn't have much in the way of "extra" second stages kicking around the shop right now, and I want to make sure we find something that I'm not going to be fussing with to find parts for. So suggestions for a second stage that is inexpensive, reliable, very easy to service is what I'm looking for here.

Let the suggestions start flowing.

Thanks,
Jim

 

[Mr Carcharodon]

While I hesitate to suggest this since they have such poor support of custormers with spare parts a Scuba Pro R190 would work nicely. There is very little to go wrong inside since it is so simple.

 

[tfsails]

Aeris A1 is easy, too. And relatively cheap. Just make sure what you use is O2 clean. We don't want any fires underwater!!

 

[Jimmer]

No worries, I have the O2 cleaning thing down pat taking care of my 8 current second stages. I was thinking about the Oceanic Alpha's, maybe a pair of used Alpha 7's or something like that, that I could get cheap enough.

 

[halocline]

I guess you already know that servicing that Genesis 1st stage, if it's the DAD model, is probably not going to be simple. I have a friend with one, and according to the Harlow book, you're supposed to change that schrader valve every service, and check it with a special tool that pressurizes the ambient chamber.

 

[Jimmer]

It's not the DAD model, just a very basic flow by piston first stage.