Quote:
Originally Posted by Rathji
I know I was in a basement about half a block from his place, and they had a backflow valve that didn't.
I am not sure if it wasn't installed properly, or it failed for some other reason, but from what they said it was a common problem for their neighbours.
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The sewer water came up through the toliet and the bath tub first before it came up in my floor drain. I was told if the water pressure is too high the valve won't work.