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Solved! - Identifying Plumbing Fittings for Water Tank for my Rig

Discussion in 'Garage / Workshop' started by Arlaghan, Dec 22, 2017.

  1. Dec 22, 2017 at 5:39 PM
    #1
    Arlaghan

    Arlaghan [OP] Well-Known Member

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    Alex
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    I have purchased a 12-gallon tank I plan to use for holding water in my DIY truck-bed camp kitchen. I am basically plumbing myself a faucet pull-out that will slide out from under the cook-top. The basic plan is this:

    1. 12-gallon tank - Purchased (Specs PDF here)
    2. ??? elbow ??? (I only have about 2 inches of room below the tank) - Need!
    3. shut-off valve (for peace of mind) - Will Order
    4. diverter valve (for emptying the tank) - Purchased
    5. water pump - Purchased
    6. faucet - Purchased

    All of this uses 3/8" ID Braided Tubing (also purchased)

    What I'm having trouble with is finding a connection that uses "3/4 standard fitting" that connects to the tank to a 3/8" barbed fitting in an elbow. I confess, I don't know a lot about plumbing fittings, but after several rounds of Google-Fu™ I've come to the following assumptions: The connection at the bottom of the tank is a Tank Bulkhead fitting with a 3/4 FNPT fitting, so I would need a 3/4" MNPT elbow that has 3/8" barbed fitting. I've not been able to find such a unicorn in the wild. So, any ideas on what series of fittings I would need to achieve this? I have the limitation of having everything rated for potable water: NSF-61.

    It feels like this should be an easy task, but I've yet to find something suitable. Any help is appreciated.

    Thanks!
     
  2. Dec 23, 2017 at 6:56 AM
    #2
    bagleboy

    bagleboy Well-Known Member

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    Try looking for an npt reducer 3/4 male to 1/2 female. You should be able to find a 1/2" mnpt to 3/8 male barb fitting then.
     
    scottalot, Arlaghan [OP] and tcBob like this.
  3. Dec 23, 2017 at 7:01 AM
    #3
    bagleboy

    bagleboy Well-Known Member

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  4. Dec 23, 2017 at 7:05 AM
    #4
    bagleboy

    bagleboy Well-Known Member

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    Also as an FYI, it's ok to run a plastic mnpt into a metal fnpt but not the other way around, a metal tapered male fitting will split a tapered plastic female fitting.
     
    Last edited: Dec 24, 2017
    scottalot and Arlaghan [OP] like this.
  5. Dec 23, 2017 at 7:20 AM
    #5
    SCboater

    SCboater Well-Known Member

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    You can get a 3/4 pvc 90 glue on one side and 3/4 female threads on the other. Then a 3/4 glue x 3/8 threaded pvc bushing. Then a brass 3/8 male thread x 3/8 bard. Then go to your hose the rest of the way.
     
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  6. Dec 23, 2017 at 9:25 AM
    #6
    wilcam47

    wilcam47 Well-Known Member

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    Tractor supply has a lot of fittings for holding tanks. I had to go there to get a fitting that went from tank to garden hose. I didnt have competent help at the store o_Obut they did have the fitting I needed, just had to look around a bit to get the right one.
     
    scottalot and Arlaghan [OP] like this.
  7. Dec 23, 2017 at 2:06 PM
    #7
    Arlaghan

    Arlaghan [OP] Well-Known Member

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  8. Dec 23, 2017 at 2:07 PM
    #8
    Arlaghan

    Arlaghan [OP] Well-Known Member

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    Success!!! Thanks, everyone. Never would have thought to look for that.

    IMG_20171223_140036.jpg
     
  9. Dec 23, 2017 at 5:21 PM
    #9
    bagleboy

    bagleboy Well-Known Member

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    that was quick. Cool.
     
    Arlaghan [OP] likes this.

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