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Sump Pump System - Can you explain this system?

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  • Sump Pump System - Can you explain this system?

    Recently encountered a sump system, it is a little different than what I am accustomed to. Below is a picture of the system, can you identify what all of these pipes are?

    Click image for larger version

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    When the pump shuts off there is a massive gargling noise. Trying to figure out how to address this.

    Would love to hear what some of the experts have to say.

    Attached Files

  • #2
    looks like some kind of radon mitigation system or whats left of one would be my guess.


    • #3
      looks like a water operated sump jet going out the Y. The main pump is pumping into what looks like a vertical pipe that would lead to some sort of catch basin. When the basin becomes saturated the water can then run out the same pipe as the water jet. a gargling noise is a siphon effect result as one or more of the inlets draws air.

      ... it was plumbed by Ray Charles and his helper Stevie Wonder