Blizzard Oasis 1st Stage Difference

jerry1818 · Nov 22, 2009

Hi,

I did a search and read what I found so I think I know the answer, but I'd appreciate a definitive response from the Sherwood Rep.

Is there any difference in the Blizzard and Oasis first stages?

(I understand the differences in the second stages.)

Thanks in Advance,
Jerry

jerry1818 · Nov 23, 2009

Closer inspection reveals that the Oasis I have comes with the SRB-5700, and the Blizzard I have has the SRB-5900 1st stage. They are physically identical on the outside.

Does anyone know the difference between the two?

Thanks,
Jerry

Sherwood SCUBA rep. · Nov 24, 2009

The first stage is essentially the same. The design, layout, and finish are all the same. The real difference in the first stage is the use of some teflon coated o-rings.

Hope that is what you were looking for.

Sherwood Scuba Rep.

jerry1818 · Nov 24, 2009

Yes, exactly.

I was going to swap my Blizzard second to my Oasis first and vice-versa, because the Oasis is newer. Then I would keep the newer first stage with the Blizzard second, and sell the other combo, but it sounds as though I should keep the sets together, rather than swap them (unless I add teflon O-rings to the 5700 1st).

Your opinion?

Thanks,
Jerry

keyshunter · Nov 24, 2009

Sherwood Scuba rep,
Which "teflon coated o-rings" are you referring to? I am curious, since my manual which covers the SRB5700 and SRB5900 shows the same part numbers for o-rings in both of these first stages.

jerry1818 · Nov 29, 2009

Yes, I'm curious as well. Nothing definitive, but I found some indications that the part numbers for the rebuild kits are the same as well, which would make sense if the o-rings and other parts are the same.

Do both regs have Teflon coated o-rings, or neither?
Maybe there's another explanation.

Sherwood SCUBA rep. · Nov 30, 2009

My apologies. My mistake, the first stages are identical. It is the 2nd stages where the differences are.

jerry1818 · Dec 1, 2009

Sherwood SCUBA rep.:
My apologies. My mistake, the first stages are identical. It is the 2nd stages where the differences are.

Thanks SS rep,

I appreciate the info; I guess I can do the swap then. Just one more question, if you don't mind.

Is there any significance at all to the model numbers then? Is the 5900 newer then the 5700?

Thanks Again,
Jerry

keyshunter · Dec 1, 2009

Jerry,
The only significance is that the 5700 is the Oasis, and the 5900 is the Blizzard.

Sherwood SCUBA rep. · Dec 1, 2009

Keyshunter is right. The 5700 is the Oasis P/N and the 5900 is the Blizzard P/N.

Blizzard Oasis 1st Stage Difference

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