My jet pump has 3 lines. Why?

Discussion in 'Pumps and Tanks Well Forum & Blog. Water is life.' started by Ryantrx450er, Dec 6, 2018 at 1:38 PM.

  1. Ryantrx450er

    Ryantrx450er New Member

    Joined:
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    Location:
    NY
    I have a jet pump in my basement that has 3 lines. 2 lines go to the pump and the third used to be tied into my drain line for my washer. I've been in the house for 3 years and I always assumed this third line was a vent of some sort. It's 1/2" plastic. The line had a valve and a check valve. Long story short the "vent" line had a drip so when positioning it to place a bucket under the drip I broke it and had a continual flow of water. Thinking the pipe just needed to be drained I let it run and got about 25 gallons out of it and it never stopped so I temporarily taped it closed, went and got a valve. I installed the valve and closed it. It seems like an artisan well or something. Has anyone ever seen this before? uMREEbisRBKbn7MfVUZhXQ.jpg PrtAYmUpQS2TxOenGDwq%w.jpg
     
  2. Reach4

    Reach4 Well-Known Member

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  4. Ryantrx450er

    Ryantrx450er New Member

    Joined:
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    Location:
    NY
  5. Ryantrx450er

    Ryantrx450er New Member

    Joined:
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    I also opened the valve when my pump kicked on and the water wasn't coming out and it seemed to be drawing air in and gurgling. When the pumped shut off the line gurgled for a few minutes and then water began flowing out again until I shut the valve off.
     
  6. Ryantrx450er

    Ryantrx450er New Member

    Joined:
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    IMG_6277.JPG

    This is a picture I took 3 years ago when I replaced the well lines from the well into the house. Had a pin hole leak just outside the foundation wall and it was seeping inside. You can see the 1/2" line here.
     
  7. Reach4

    Reach4 Well-Known Member

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    10 psi would be huge.

    I was thinking that maybe you could run that line to a standpipe. But if you have more than 2 psi, that would probably not be practical.
    A standpipe could admit air without having to resort to a vacuum breaker valve. So as it is, you probably should put a vacuum breaker on the line.

    Bonus. You could get water into buckets, even if your electricity went out.
     
  8. Ryantrx450er

    Ryantrx450er New Member

    Joined:
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    Location:
    NY

    I'll look into but I'm really trying to figure out why this line is even here. Any local plumbers i've talked to or research i've done online only comes up with 2 lines for a jet pump. I can't find any info or reason for this 3rd line.
     
  9. Reach4

    Reach4 Well-Known Member

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    I think the point is to replace air when the pump pumps out water. Maybe that is not important to your well. Did you follow the discussions on the link I posted?
     
  10. Ryantrx450er

    Ryantrx450er New Member

    Joined:
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    Location:
    NY

    I'll read through it when I have a bit more time. It makes sense that the well would need to pull air in if it's sealed tight which I assume it is bc it's buried underground. I just can't see why mine is the only one like this that I've found so far.
     
  11. Reach4

    Reach4 Well-Known Member

    Joined:
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    Location:
    IL
    I am wondering if a vacuum would hurt much. I guess the pump would have to work against it.
     
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