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How big is my jetter hose?

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  • How big is my jetter hose?

    Just got 13hp honda motor with a cat pump. Cat literature says the pumps is 4 gpm @ 3500 psi. What size jetter hose should I go with? I plan on having less then 150' of hose.
    Buy cheap, buy twice.

  • #2
    Re: How big is my jetter hose?

    4 gpm go with 1/4'' id. no problem.

    3/8'' is good for the spray wand, but too much drag and not as flexable for the size stuff you'll be doing.

    150' will be a good choice, but i would also keep a 50' section for short kitchen lines. much easier to handle unless you have the hose reel close by.

    rick.
    phoebe it is

    Comment


    • #3
      Re: How big is my jetter hose?

      ben, at 4 gpm, 1/4'' hose has about 4.5# psi pressure drop per foot.

      3/8'' has approx .75# psi per foot at 4 gpm. problem is the stiffness and the weight to pull itself along.

      rick.
      phoebe it is

      Comment


      • #4
        Re: How big is my jetter hose?

        So are we sticking with the 1/4"?
        Buy cheap, buy twice.

        Comment


        • #5
          Re: How big is my jetter hose?

          So riddle me this batman, why would a company sell a 4gpm/3000 psi jetter with 3/8 hose? Are they seeing something we're not?
          Buy cheap, buy twice.

          Comment


          • #6
            Re: How big is my jetter hose?

            I don't jet much...but I have what would be a j-3000 general wire jetter...same specs as gearjunkie.....mine has the 3/8" hose and it does work you ...with a 1/4" hose what size lines could you expect to clean??
            Poor Planning On Your Part Does Not Constitute An Emergency On My Part!!
            You can fire me...but you can't tell me what to do!

            Derek

            Comment


            • #7
              Re: How big is my jetter hose?

              Originally posted by gear junkie View Post
              So riddle me this batman, why would a company sell a 4gpm/3000 psi jetter with 3/8 hose? Are they seeing something we're not?
              didn't you say the 3/8'' was spray gun hose and not jetter hose?

              3/8'' is next to impossible to navigate 2'' turns the bend radius is 3''.

              4gpm is not that much water or pull.

              rick.
              phoebe it is

              Comment


              • #8
                Re: How big is my jetter hose?

                Not disagreeing with you, just trying to figure this out. I was actually referring to ridgid selling the kj-3000 with 3/8 hose, not what I bought.
                Buy cheap, buy twice.

                Comment


                • #9
                  Re: How big is my jetter hose?

                  ben they also rate that jetter for 8'' pipe

                  if you're doing straight runs, then 3/8'' is fine, but it's too stiff for 2'' pipe and turns. 3/8'' is 5/8'' od. way to big for the 1.5 and 2'' that this machine is going to see.

                  the root ranger is a 1/4'' npt thread. not a 3/8'' thread.

                  they also sell the trap hose that's 1/4'' od.

                  i have everything from 1/8'', 3/16'', 1/4'', 3/8'' and 1/2''. the 1/4'' is the one that your specs will work best.

                  like you like to say "trust me"

                  rick.
                  phoebe it is

                  Comment


                  • #10
                    Re: How big is my jetter hose?

                    I trust you....don't know why, but I trust you.
                    Buy cheap, buy twice.

                    Comment


                    • #11
                      Re: How big is my jetter hose?

                      I also received a package of 3/8 aqua mole nozzles. Is it beneficial for me to bush them down for 1/4" hose?
                      Buy cheap, buy twice.

                      Comment


                      • #12
                        Re: How big is my jetter hose?

                        Another question, why not get the 3/8 hose but only use it for 3" & 4" or would the 1/4" still be better for the bigger pipe?
                        Buy cheap, buy twice.

                        Comment


                        • #13
                          Re: How big is my jetter hose?

                          the 3/8'' will have less pressure drop and better for straight runs. also makes a good jumper hose.

                          but at 4gpm, the 1/4'' is fine. why not borrow a length of my 3/8 and test before you buy

                          rick.
                          phoebe it is

                          Comment


                          • #14
                            Re: How big is my jetter hose?

                            I agree with Rick. The 1/4" is the way to go. I built my own jetter sytem and I run 4 gpm at 3200 psi. I ran the 3/8" when I first built it, and it was just to hard to handle. It didn't push and pull right. The 1/4" for me cleans 2,3,and 4 with no problem. I also put 300 feet of hose on a reel, so I can keep it all at the truck. My next step is to build a remote valve. Right now, my apprentice and I use our phones (one at reel, and one at cleanout). I could probably get a little more pressure with shorter hose, but I like the setup.
                            "don't put that in your mouth, you don't know where it's been"

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                            • #15
                              Re: How big is my jetter hose?

                              You got me convinced. 1/4" it is.
                              Buy cheap, buy twice.

                              Comment

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