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Low pressure on propane adapter

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    Low pressure on propane adapter

    I bought a 5 foot adapter hose that takes a 20 pound propane tank to the grill gun (or to a little camp stove).

    When I connect the grill gun to a 1 pound tank, that thing is like a jet!

    When I use that new adapter hose, it is a puny flame. Yes, it works, but it’s puny. Nothing like a jet.

    Did I get a bad hose? Or is it because it’s 5 feet long (which is long… and they make shorter hoses)?

    #2
    Also, I tried an older 20 pound tank, and a brand new 20 pound tank. Both produced puny flames.

    Comment


      #3
      Is there a regulator or valve inline in that hose? I don't think you want a regulator, as the grill gun has that built in... If not, maybe the internal diameter of the hose is too restrictive. I have a hose like you describe that I use to connect a 20 pound tank to the propane ignition on my Weber Performer, and get the same performance as I get with the 1 pound bottles. It's just a straight through hose though, but the burner on that grill probably doesn't need the gas your grill gun needs.

      Comment


      • scottranda
        scottranda commented
        Editing a comment
        No regulator on the hose. And I have the 20 pound tank all the way open

      • jfmorris
        jfmorris commented
        Editing a comment
        scottranda must just be too much of a restriction then. Maybe you should return the hose and get a kit to refill the 1# tanks from the 20# tank for use with the grill gun?

      • scottranda
        scottranda commented
        Editing a comment
        That’ll be my last resort. Not that it’s a bad option. I just want the hose adapter because it’s more convenient for my needs.

      #4
      I'm assuming the hose has a regulator? It could be that the pressure safety switch in the regulator has been tripped. Try turning off the tank, then opening the hose to ensure that all propane has been released from the hose. Close the hose, then open the propane tank very, very slowly. This should reset the switch in the regulator. I have an outdoor propane firepit that has a very finnicky regulator and I have to be very careful of the speed at which I open the valve on the tank.

      Comment


      #5
      Morning guys,
      I have found that the new valves have a safety that will slow or stop the propane if there is not a hose connected, with that your hose may need to be tighten tighter, or even a low tank?

      Comment


        #6
        Take a air hose and blow out the gas hose. You have a restriction. It may be a manufacturing issue, an insect has crawled in and built a nest, or something else like a crushed area or liner displacement. If you have eliminated any regulator or flow restricter as the issue, then it is a restriction in the hose.

        Comment


          #7
          I wouldn't invest too much energy in trying to troubleshoot a gas hose. Like Donw suggested, you're probably looking at a either a manufacturing defect or an obstruction. Like questionable food: when in doubt, throw it out ... or in this case, exchange it.

          Comment


            #8
            I had something similar happen last year. Unfortunately, I don't remember everything I did to fix it.

            What I do remember is that newer tanks sense a quick change in pressure and shut off the flow of gas, (or reduce the flow). If your grill gun is "instant on", that may be the problem. If possible, try slowly opening the gas flow on the gun and see if that helps.

            Another thing I have a very hazy memory is that there is a screw on the side of the tank valve that also has something to do with the problem. I looked but couldn't find the video that I remember.

            Another thought is do you have anything else you can connect the tank to using the hose? If it still doesn't work properly, then it's most likely the hose.

            Click image for larger version  Name:	20220423_105532[1].jpg Views:	0 Size:	1.20 MB ID:	1211253
            Last edited by RonB; April 23, 2022, 09:19 AM.

            Comment


            • RiverJeff
              RiverJeff commented
              Editing a comment
              The screw on the side is a bleeder port used when filling the tank!

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