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3/8 in. Compression Brass Coupling Fitting

$8.47
  • One-piece compression coupling can be used with water, oil or gas
  • Use alongside copper, brass, aluminum, thermoplastic and more
  • Includes insert and not meant for use with steel tubing
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Product Details

This plumbing pipe coupling easily connects 2 lengths of pipe of the same size or reduces to a smaller size. It is lead free and made of durable, corrosion resistant brass. They are best for low to medium pressure installs and can be used for water, gas and oil. Installation is easy for both Pros and DIYers.
  • 1-piece per package
  • LFA-110
  • Use with copper, brass, aluminum, thermoplastic and plastic tubing
  • Not for use with steel tubing
  • Comes with insert
  • Overtightening can cause leaks
  • Return Policy
  • California residents

Additional Resources

From the Manufacturer

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Specifications

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Questions & Answers

19Questions
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Q:My 1/4" blue plastic tubing will fit right onto one side and my 3/8" blue plastic tubing for my R...
by|May 13, 2021
2 Answers
Answer This Question

A:  If your current tubing has female compression ends they will thread onto the fitting directly. If they do not have female compression ends and are bare tubes you would use the nut to compress the ferule onto the tube. Compression fittings grab the outside of the tubing so the measurement they fit will be the outside diameter of the tube. If you have to use the nut and ferrule please note they are one time use fittings and if you over tighten them you have to cut them off and use a new ferrule. Best practice is to tighten compression fittings by hand then add 1/4” turn with a wrench. Turn on the water supply slowly and then tighten the fitting with a wrench until it stops leaking. That will ensure it is tight enough to seal without overtightening.

by|Jun 4, 2022
    2 found this answer helpful

    A:  Outside

    by|May 5, 2022
    caret
    Q:Can this be used to couple a 1/4in braided icemaker line to another?
    by|May 1, 2021
    3 Answers
    Answer This Question

    A:  This is for a plastic ice maker line, not braided.

    by|May 2, 2021

      A:  The 1/4 in. OD Compression Brass Coupling Fitting can be used to attach two 1/4” lines together as long as they have 1/4” female compression ends.

      by|May 3, 2021

        A:  No, the Outside diameter of a copper tube that you would put this compression fitting on it’s different than the outside diameter of a plastic tube. Therefore, the feral would not compress around the outside of the plastic tube and would not give you a tight leak proof connection.

        by|May 2, 2021
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          Q:why does plastic tube fall off easy
          by|Mar 5, 2021
          1 Answer
          Answer This Question

          A:  In order to properly respond to this question we would need additional information. We would need to know what size tube was being used with the fitting. In order to get a complete response, please reach out to Customer Care and they can put you in touch with the manufacturer.

          by|Mar 5, 2021
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            Q:Does the compression sleeve (ring) come with this or is it not needed?
            by|Jan 20, 2021
            2 Answers
            Answer This Question

            A:  The small brass male piece is the sleeve you insert into what you are connecting. This keeps the plastic hose from collapsing, when you tighten the fitting nuts. Hope this helps.

            by|Jan 22, 2021

            A:  The 1/4 in. OD Compression Brass Coupling Fitting comes with 2 nuts with captured “rings”, one for each side.

            by|Jan 20, 2021
              Showing 1-4 of 19
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              Customer Reviews

              4.5 out of 5
              (342)
              • 4.5
                out of 342 reviews
              • 65%recommend this product
              Filter by:
              Showing 1-10 of 342 reviews
              This piece was used to attach two water hoses. Very...
              This piece was used to attach two water hoses. Very easy to install.
              by
              • Verified Purchase
              1 found this review helpful
              I used this coupler to connect my 1/4” plastic water tube from my refrigerator to under my kitche...
              I used this coupler to connect my 1/4” plastic water tube from my refrigerator to under my kitchen sink. Super easy assembly and not a single drip.
              by
              • Verified Purchase
              • Recommended
              1 found this review helpful
              These do no work with copper ¼" OD tubing. I incrementally torqued these couplings as hard I co...
              These do no work with copper ¼" OD tubing. I incrementally torqued these couplings as hard I could (to the point the wrench was rounding off the nut) and I could not get them to seal. In fact, the ¼” OD copper tubing would rotate in the ferrule after it was torqued. Upon further inspection the ferrules are not designed like traditional ferrules. These ones are “captured” in the nut and there is an extra ring of brass around the ferrule to maintain the “capturing” feature. This extra ring on the ferrule is preventing it from properly squeezing down on the tube. I’m returning these and getting a traditional set with a loose ferrule.
              by
                9 found this review helpful
                Just what was needed to complete project. Gentleman in the...
                Just what was needed to complete project. Gentleman in the department was great help.
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                • Verified Purchase
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                Over Priced
                This product is way over priced
                by
                • Verified Purchase
                Fixed my problems in no time...
                Fixed my problems in no time
                by
                • Verified Purchase
                Twisted on so smooth, like it was meant to be....
                Twisted on so smooth, like it was meant to be.
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                • Verified Purchase
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                Showing 1-10 of 342 reviews

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                ConnectivityCompressionThreadedCompressionCompression
                ApplicationAir,Oil,Potable WaterAir,Oil,Potable WaterAir,Oil,Potable WaterAir,Oil
                FeaturesCorrosion Resistant,Lead Free,ThreadedCorrosion Resistant,Lead Free,ThreadedCorrosion Resistant,Lead Free,ThreadedCorrosion Resistant,Lead Free,Threaded
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