Laundry waste line design flaw??
Posted by pipedreams on July 22, 2002 at 12:49:32:
I just finished a new laundry room. After two uses of the washer, the drain backs up. It might be clogged, but I would be surprised if it is. When I installed the 2" drain pipe, I avoided going through the foundation by using a series of long 90 ells that drop through the wall, outside and then below grade. Could this be my problem?

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