Re: Is a hole in sump pump drain pipe necessary?
Posted by hj on May 05, 19101 at 23:10:19:
In response to Re: Is a hole in sump pump drain pipe necessary?
The hole is to prevent the pump from getting air locked if it were to pump the sump dry or not operate for a long time due to no seepage into the pit.

: I found a hole in my sump pump pvc pipe, just above the pump, but still inside the sump pump pit. Is this to allow the water to flow out when the pump has stopped, or is it a defect I should fix?

: The pvc travels up ten feet, and then about forty feet to the outside. The hole allows a fair amount of water to back up into the pit when the pump is running.




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