Apeks reg identify

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willianstr1ker

Registered
Scuba Instructor
Messages
47
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0
Location
Fort Lauderdale, FL
# of dives
500 - 999
can someone help me identify this reg setup?

There is a local guy selling it, I'm looking into using it for a stage bottle, it is possible to convert this first stage into a ds-4 to get the environment seal to dive in colder water?

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Your first stage is a AT20 or T20, sometimes called US4 (Unsealed 4).

Your second stages are Apeks ATX40. With a plastic heat-exchanger these would be called AT20.
 

Attachments

  • ATX40 & AT20 - Schematics (2017).pdf
    248 KB · Views: 8
  • US4 & US1 - Schematics (2006).pdf
    244.9 KB · Views: 10
I completely missed the question about changing it to a DS4. This can of course be done quite easily.

The parts needed are:
  • AP1473 - Diaphragm Clamp
  • AP1483 - Hydrostatic Transmitter
  • AP1482 - Hydrostatic Diaphragm
  • AP1484 - Environmental Cap
 

Attachments

  • AT20 & T20 & DS4 & TX50 - Schematics (2003).pdf
    89.5 KB · Views: 7
Thank you all for the help. I’m going to go ahead and get the reg setup, is there a site you recommend to buy the parts needed?
 
https://www.shearwater.com/products/peregrine/

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