Septic effluent pump question

Discussion in 'Irrigation / Sprinkler Forum' started by s10010001, May 30, 2020.

  1. s10010001

    s10010001 Member

    Jul 17, 2019
    Sorry did I miss the septic section? I dont see one. This section looked close based on my problem.

    Problem: Septic sprinklers don't push as hard as I think they should. Comparing to my neighbors.

    My Pump tank has a submergible mid intake stainless pump that drives 3 sprinklers in my back yard. Since I moved in the 3 have never really worked well. I replaced all the heads with the purple septic heads and pressure checked the pvc. So there’s not a leak anywhere underground.

    Inspecting the pump I noticed the pump is down in a pvc tubed there is a 45* cut in the bottom to let water in. However the pump barely fits down the tube so there is not much space to let water so I figured the pump was overtaking the water input. See pic.


    So looking around online I can't see any reason that green tube is there. There is also a larger tray on the bottom to keep the sludge away from the pump base.

    Now, I removed the green tube, inspected the pump, looks good. But when I run the sprinkelers without the green tube it spray water out the side. This strips up al the stuff I the bottom of the tank too. So I'm thinking someone put the tub on to control the side jet and band-aid the situation. See video.

    Should the pump do that?

  2. valveman

    valveman Cary Austin Staff Member

    Mar 15, 2006
    Pump Controls Technician
    Lubbock, Texas
    No it shouldn't do that. There is a hole in the side of the pump letting all your water out. It looks like the hole for a screw to hold the cable guard? If so you maybe able to just find a larger screw and stop the leak. But that hole is your problem. Also the green pipe is a cooling shroud for the motor and it is important that is has a tight fit.
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  4. s10010001

    s10010001 Member

    Jul 17, 2019

    Thanks, I’ll pull the pump and inspect for a hole

    cooling shroud? The pump is full Submergible, seems like open water would be best no? Also the intake is in the middle. Seems weird to me. The entire pump is fit down inside the tube

    pump looks like this one:

    Attached Files:

    Last edited: Jun 4, 2020
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