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New BCD. Do I have to change the low pressure hose?

Discussion in 'Buoyancy Compensators (BC's) and Weight Systems' started by Land Fish, Apr 17, 2019.

  1. Land Fish

    Land Fish Barracuda

    # of Dives: 100 - 199
    Hello almighty scuba board.

    As the subject goes, I got a new BCD and it came with a low pressure hose. Do I have to change the low pressure hose that's currently fitted in my regulator set?

    I don't have cylinder at home but I did try with my reg set and the low pressure hose seems to fit fine.

    Thank you! XO

    PS you've probably figured out that I'm fairly green when it comes to gear setups. Go easy on me please :oops:
  2. Pedro Burrito

    Pedro Burrito Moderator Staff Member

    # of Dives: 5,000 - ∞
    Location: Boussens, Canton de Vaud, Suisse

    A ScubaBoard Staff Message...

    Moved from Basic​

  3. happy-diver

    happy-diver Skindiver ScubaBoard Sponsor

    # of Dives: I just don't log dives
    Location: queensland Melbourne Victoria diver
    I don't know the answer but would you imagine becoming less green with your gear to be fruitful
  4. rsingler

    rsingler Scuba Instructor, Tinkerer in Brass Staff Member ScubaBoard Sponsor

    # of Dives: 500 - 999
    Location: Napa, California
    No. If it fits, you can use your existing low pressure hose. There are four brands/types of fittings, and if the one you have on your regs fits the inflator input on your new bcd, you're fine. "Standard"; Scubapro/Atomic; Zeagle; Aqualung/Seaquest/Oceanic. All hoses fit one of these four bcd ends. 20190417_012256.jpg
    doctormike, Land Fish, lexvil and 4 others like this.
  5. Zef

    Zef Divemaster

    Other than the hose/QD fitting interface the other issue is hose length. If the hose currently on your reg set is long enough to connect to the corrugated hose then all is good. If it is too short then you may need to use a longer hose. If the hose is too long for the corrugated hose then it will work but the excess hose tends to form a loop above your left shoulder and doesn't lie correctly or kinda gets in the way....it definitely looks goofy...some might say it is an entanglement hazard.

    If all is good then coil that new hose that came with the BC and store it for a time when you either need to replace your BC LP hose or you start diving in a drysuit and need to add a LP hose to your reg set to connect to the drysuit inflator valve.

  6. Diving Dubai

    Diving Dubai Instructor, Scuba

    # of Dives: 500 - 999
    Location: Dubai UAE
    As @rsingler points out, if it fits then no. The new hose might be longer or shorter - if it's significantly shorter keep the longer one When you're regs and BCD is on a cylinder then you may or maynot have a little excess loop on top, I get over this by moving my LP hose to a rear most LP port and changing the routing a little. but it's not that big of a deal. Generally I use the new hose because it's new - or I put it into my save a dive kit

    EDIT: @Zef Beat me to it
    Land Fish and chillyinCanada like this.
  7. chillyinCanada

    chillyinCanada Solo Diver Staff Member

    And you guys beat a few others of us to it.

    My hose is a bit too long and I'm often messing with it. Yes, it has caught on a big coral on a zooming drift dive. Now, there's some extra entertainment!
  8. Damselfish

    Damselfish Solo Diver

    # of Dives: 1,000 - 2,499
    Location: Boston
    We have dive alerts and that was definitely a reason to get a hose a few inches shorter to make up for the extra length.
    chillyinCanada likes this.
  9. JackD342

    JackD342 Dive Shop

    # of Dives: 500 - 999
    Location: Highland Park, IL
    To be clear, the three brand specific non-standard fittings are for inflator/octo combos. All standard inflators use the same connection, regardless of brand. Although every once in a while I find a pairing that just doesn’t play well together.
  10. Bob DBF

    Bob DBF Solo Diver

    # of Dives: I just don't log dives
    Location: NorCal
    All other things being equal, I'd use the new hose.

    Land Fish likes this.

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