Water Pressure and Heat Issues - Understanding Flow

Discussion in 'Ask Our Repairmen' started by Kevin Lietz, Aug 8, 2017.

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  1. Jim Martin

    Jim Martin Well-Known Member

    Jun 5, 2008
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    if he has the one like in the picture I put above it can be used for either one...but you have to remove the check valve for it to unload.....
     
  2. seagrtj

    seagrtj Well-Known Member

    Jun 28, 2011
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    Actually removing the check valve will make it a regulator not an unloader, I believe
     
  3. Jim Martin

    Jim Martin Well-Known Member

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    #23 Jim Martin, Aug 13, 2017 at 1:02 PM
    Last edited: Aug 13, 2017 at 1:09 PM
    there are 2 set ups for the regulator/unloader..pressure and flow...almost all machines are set up as flow...flow will automatically unload with out the check valve in it and pressure will need the check valve to divert the water to unload it..so machines are set up as flow..because 99% of the ones that use the one I pictured will not work with the check valve inside them.....the flow relies on the orifice ( in which I believe the check valve seats itself ) and a channel to back pressure the system when the trigger is not being pressed..and this diverts the water to the bypass...



    something like that anyway...
     
  4. seagrtj

    seagrtj Well-Known Member

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    Yes you just explained the difference between an unloader and a regulator
     
  5. Jim Martin

    Jim Martin Well-Known Member

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    pretty sure I explained the difference between unloading with and without a check valve... and why...but when I get in I will see if I have the book mark about them.. regardless..with or with out the check valve..its always going to unload and always regulate....its all in the set up and if you need or you don't need the check valve...I will double check when I get in....
     
  6. Kevin Lietz

    Kevin Lietz Active Member

    Dec 9, 2016
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    No it was an unloader. I know that for sure. Replacement for an unloader
     

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