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Forum: O2ptima (aka Optima) Rebreather

Questions, answers and discussion regarding the O2ptima Rebreather aka Optima Rebreather. Dive Rite's eCCR.

  1. Sticky Thread Sticky: $499 Any Style Nomad - Amazing...January Only...Once in a lifetime!

    Now through January 31st, any style Nomad is yours for only $499. Hello! Choose from the Nomad EXP (BC4500), Nomad JT (BC4900) or Nomad XT ...

    Started by Dive Rite‎, 5th January 2012 16:17
    dive rite, nomad, sidemount
    • Replies: 0
    • Views: 1,252
    5th January 2012, 16:17 Go to last post
  1. Changing OPV on Optima BMCL's

    After diving the Optima's BMCLs I noticed that the OPV is very hard to activate wearing heavy thermals under the dry suit. I was looking to replace...

    Started by Virgil‎, 9th January 2018 22:51
    bmcl, jj rebreather, o2ptima, optima, opv
    • Replies: 0
    • Views: 594
    9th January 2018, 22:51 Go to last post
  2. BMCL wob issues

    I have been diving the Optima a couple of months now with BMCL and I have noticed an increase in wob in the heads down vertical position. It seems to...

    Started by moteman‎, 25th December 2017 00:20
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,491
    28th December 2017, 22:57 Go to last post
  3. BMCL and offboard Dil, O2 and BOV connection and hose routing

    I have recently switched to BMCL on my Optima, with Omniswivel MAVs, and I'm considering adding a Golem shrimp BOV. I am interested in hearing how...

    Started by moteman‎, 17th November 2017 17:05
    • Replies: 5
    • Views: 934
    20th November 2017, 12:52 Go to last post
  4. Dil flush with a BMCL Optima

    I have recently started training on the Optima, and my unit is BMCL. I tried the OTSCL configuration and it seemed very awkward and "crowded" for me...

    Started by moteman‎, 21st October 2017 13:01
    2 Pages
    1 2
    • Replies: 12
    • Views: 1,524
    31st October 2017, 02:14 Go to last post
  5. desiccant packs

    I understand that O2 sensors are moisture sensitive as are electronics. With this in mind, does anyone place desiccant packs (like are used in...

    Started by moteman‎, 25th October 2017 22:11
    2 Pages
    1 2
    • Replies: 10
    • Views: 826
    29th October 2017, 06:43 Go to last post
  6. Is the Optima dangerous because of design flaws?

    Hi all, I'm new, having just taken a MOD 1 course on the optima and I'm scheduled to pick my unit up from DR later this week. I was doing some...

    Started by Cdiver1‎, 27th September 2016 14:44
    2 Pages
    1 2
    • Replies: 18
    • Views: 5,625
    5th October 2016, 02:46 Go to last post
  7. Is the Optima dangerous because of design flaws?

    Duplicate post- mods please delete

    Started by Cdiver1‎, 27th September 2016 14:43
    • Replies: 1
    • Views: 1,524
    27th September 2016, 15:42 Go to last post
  8. Is the o2 optima a reliable unit?

    I am looking at purchasing an O2 Optima Rebreather but no one in my area has one to demo. I would like to know how reliable the unit is and the...

    Started by tecdiver1968‎, 4th August 2012 23:38
    5 Pages
    1 2 3 4 5
    • Replies: 42
    • Views: 11,155
    18th May 2016, 16:39 Go to last post
  9. Could a o2ptima be chest-mounted.

    i like to doodle and design things one of the things is a chest mounted o2ptima and i was wondering what the o2ptimas canister dimensions are whole...

    Started by verrinne‎, 28th January 2016 05:24
    • Replies: 0
    • Views: 966
    28th January 2016, 05:24 Go to last post
  10. Upgrade O2ptima electronics from HH to Shearwater

    Just wondering if there is a user upgradeable kit for this or does it have to go back to Dive Rite, or a service center. Would also like to know...

    Started by ESSCEE‎, 26th January 2016 22:13
    • Replies: 6
    • Views: 3,608
    28th January 2016, 00:17 Go to last post
  11. Counter lung exhaust valve tool

    I have had this white Teflon fork looking tool in my tool box, since I got my o2ptima. I have never asked because it got lost. Today I found it, and...

    Started by dragerdiver‎, 28th December 2015 01:29
    • Replies: 3
    • Views: 1,739
    5th January 2016, 19:09 Go to last post
  12. LP27 or 4L tanks

    Anyone looking to part with a set of LP27s? Doesn't matter if they're Worthington or Blue Steel.

    Started by kwinter‎, 11th September 2015 17:01
    • Replies: 0
    • Views: 786
    11th September 2015, 17:01 Go to last post
  13. scrubber for Optima

    anyone used a kitty litter scrubber in Optima? I have got one to test and plan to run a flow test following with a dive test in a pool. I want to...

    Started by Angelo A‎, 25th February 2015 04:54
    • Replies: 8
    • Views: 2,517
    14th August 2015, 15:31 Go to last post
  14. Side mount O2 and Dil

    I am going to be traveling to a remote part of the philipines, and am thinking about diving my optima with off board 80's for dil and O2. Has any one...

    Started by dragerdiver‎, 24th May 2015 01:52
    • Replies: 1
    • Views: 906
    26th May 2015, 12:40 Go to last post
  15. Back Plate / Stand

    Does anyone have an older backplate / stand that they want to sell? All I need is the top half up to the two bolts/holes. Thanks, Clint

    Started by cbabcock‎, 28th February 2015 22:28
    • Replies: 0
    • Views: 653
    28th February 2015, 22:28 Go to last post
  16. Leaky Niggles with the Canister

    I'm having some problems with my canister leaking on the sensor end of the canister. First I removed, cleaned, and relubed all canister o rings, and...

    Started by CCR TriDiver‎, 31st December 2014 23:09
    • Replies: 4
    • Views: 1,220
    19th January 2015, 21:43 Go to last post
  17. Dive Rite now offers the O2ptima with Shearwater Electronics

    Dive Rite now offers the O2ptima with Shearwater Electronics SCUBA Diving Equipment for Technical, Sidemount, Rebreather, Wreck and Cave Diving:...

    Started by luish.felice‎, 21st March 2014 03:24
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 5,742
    23rd October 2014, 01:31 Go to last post
  18. Shearwater and StackTimer

    Ok got my new Shearwater back this week and dove it for the first time this weekend. Loved it. Only thing that I cant find is the idea of a Stack...

    Started by cbabcock‎, 8th October 2014 04:49
    • Replies: 1
    • Views: 740
    8th October 2014, 12:38 Go to last post
  19. Decided to take a fresh look

    Change is a good thing.

    Started by EAC‎, 2nd May 2014 19:12
    • Replies: 1
    • Views: 1,204
    3rd May 2014, 19:24 Go to last post
  20. Cracked handset, do I worry yet?

    so after trawling the forum for a while i come across the posts about the rev c handset getting cracks. hmm better have a look at mine... yep sure...

    Started by stachmo‎, 11th January 2014 23:00
    • Replies: 5
    • Views: 1,316
    14th January 2014, 09:00 Go to last post

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