Difference between 3960 and 3750 first stage

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shermen

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Location
Detroit, MI
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I am trying to figure out what is different between these two first stages? How similar are they?

Thank you,
Shermen
 
I believe they're identical. Not 100%, but 95% sure the 3960 is the "Jetstream Odin Regulator" which is the Jetstream second stage with 3790 first stage, and the 3750 is the Triton second stage with 38800 first, but aside from part number they should be identical. Just out of curiosity, why are you asking?
 
The 3960 has a set screw for IP adjustment where as the 3750 does not. Also I have each and was wondering if parts are 100% interchangeable.

Picture is from: Poseidon Jetstream 3960 First Stage (02/21/2011)
1_be7fa4c41c47445d13089f804d8c136b.jpg
 
I would imagine they're interchangeable, the set screw is really not all that important, you can dive without it in at all and it doesn't effect the regulator. Only a handful of brands actually have a set screw to lock the IP down.

What parts are you wanting to interchange and why?
 
https://www.shearwater.com/products/teric/

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