water coming out of washer drain when garbage disposal on
Posted by Helen on February 04, 2004 at 20:13:13:
My kitchen sink drain is connected to the laundry room drain. There is a small sink in the laundry room, in addition to a PVC pipe outlet for the washing machine.

Last night, I was using the washing machine and also washing some dishes in the kitchen sink. I noticed that there is about an inch of standing water in the laundry room sink. When I turned on the garbage disposal in the kitchen sink, nasty water shot out of the PVC pipe outlet.

Why did this happen? How do I fix the problem?


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