How do I know if I have a cross-connected sump pump?
The key to look for is where the water goes when the sump pump is pumping. If you have a pipe that goes outdoors, and drains into your yard (well away from your foundation), your sump pump is not cross-connected. If you have a hose that drains into your laundry tub or floor drain, your sump pump is cross-connected. If you can see right away that your sump pump is cross-connected, it would be to your advantage to get it re-routed prior to inspection.

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1. What is a cross connection sump pump?
2. Why are cross connections a problem?
3. How do I know if I have a cross-connected sump pump?