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  • Sump Pump - 1/8" hole in discharge line

    Just installed a Rigid Submersible Sump Pump. I heard that a 1/8" hole needed to be drilled into the discharge line 3" above where it is connected to the sump pump. Is this true? I want to make sure before I drill any holes. Thank you!

  • #2
    The 1/8" hole is needed on a bottom intake pump with a check valve( you do have A check valve?). Go to to find out more info on sump pumps.


    • #3
      Great! We just replaced our sump yesterday. Thought the hole was from damage and wrapped it in duct tape to plug the hole till we replaced the tubing! LOL

      Oh goody. I get to play with the sump pump again!