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Waterflow Question

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  • Waterflow Question

    I just bought a house last summer and one of the first things i noticed was the cold water in the kitchen sink . Whenever you turn it on the water flow is really low .The hot water is the opposite , it has lots of pressure .

    I took a look under the sink and the main pipes coming up are 3/4" . The cold has been reduced to 1/4" flex hose right under the sink .
    I checked the main taps in the basement and they are wide open .

    Is there a easy fix ? The pressure just seems to be getting lower every week only on the cold .
    John from Belgrave ont.

    www.extremebirdhouse.com

    http://www.facebook.com/?ref=logo#!/...d=112698715866

  • #2
    Re: Waterflow Question

    Sounds like you have restriction on the cold line after the water heater connection.

    I know....duhhhhh.

    Sounds galvanizey. Pics would help.

    J.C.

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    • #3
      Re: Waterflow Question

      Here is a pic !

      The cold water is almost at a trickle . It takes about 15 seconds to fill a glass .
      Attached Files
      John from Belgrave ont.

      www.extremebirdhouse.com

      http://www.facebook.com/?ref=logo#!/...d=112698715866

      Comment


      • #4
        Re: Waterflow Question

        And it IS galvanizey. Although I can't see the cold line branch. Just the PEX riser, the "little" white pipe.

        But don't be fooled, the smaller white pipe should supply a cold tap just fine.

        If you have slower cold throughout the house then you probably have buildup in the cold galvanized lines. Think of clogged arteries on a person that has unfortunate genetics or doesn't eat right.

        Slowly closing, flow decreasing.

        This can be bad because if it's happening throughout, you need to replace all of the pipes.

        If you or a plumber can isolate the restriction to a section or fittings, then you may be able to remove this area and gain volume/pressure for awhile.

        J.C.

        Comment


        • #5
          Re: Waterflow Question

          Here's just a quick pic I found for an example.

          Your's may NOT be this bad but a person kind of has to put their hands on it and take some things apart to tell.

          J.C.
          Attached Files

          Comment


          • #6
            Re: Waterflow Question

            I had a feeling it was probably something like that . The water pressure upstairs is better but i,m sure it could flow twice as much as it is now .

            I guess i,ll rip out the old stuff and put in 1/2" copper .
            The shower pressure seems to be ok .
            Attached Files
            John from Belgrave ont.

            www.extremebirdhouse.com

            http://www.facebook.com/?ref=logo#!/...d=112698715866

            Comment


            • #7
              Re: Waterflow Question

              Sometimes you can find restrictions & debris at endpoints. Shut the water off, take the little chrome valve off and check there.

              Maybe have a person turn the water back on while you man the open pipe with a bucket. That can show you the real flow in the larger branch and possibly flush the pipe where you can put the valve back on and things work for a while longer.

              This is the BEST case scenario. May not happen. Kind of work backwards. You'll get to the point while working on it where you'll kind of figure out that taking much more of it apart is more of a waste than repiping.

              Good luck.

              J.C.

              Comment


              • #8
                Re: Waterflow Question

                Thanks J.C , I bought the house last May and the water flow is gradually getting slower . It has to be building up . I thought maybe it was just ice building up during the winter but that was not it . It shouldn,t be hard to replace them .
                I,ll check the 1/4" flex hose first .

                Thanks again for your help .
                John from Belgrave ont.

                www.extremebirdhouse.com

                http://www.facebook.com/?ref=logo#!/...d=112698715866

                Comment


                • #9
                  Re: Waterflow Question

                  This might be an obvious Q but have you checked the aerator in the faucet spout? They can quickly fill up with crud such as scale.
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                  • #10
                    Re: Waterflow Question

                    you have a shut off right there take it lose and see if there is flow there first. if you have flow there , then the faucet needs to be inspected, if you do not have flow at the shut off, then see if it is plugged up like said work back wards, it may be some thing really simple, and easy if you look for it, and then it could need a re piped.
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                    • #11
                      Re: Waterflow Question

                      Originally posted by Bob D. View Post
                      This might be an obvious Q but have you checked the aerator in the faucet spout? They can quickly fill up with crud such as scale.
                      I thought it might be the spout too but when i turn the hot on it pours out no problem .
                      I will pull the flex hose off first then check the flow .
                      John from Belgrave ont.

                      www.extremebirdhouse.com

                      http://www.facebook.com/?ref=logo#!/...d=112698715866

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