Recent content by John Riley

Thanks for your post. It is a two unit building. I agree, a simple backwater valve won't do the job and I read that they can also leak. I also read some information concerning the overhead sewage system. I'd rather the owner of the downstairs unit go that route as well. Thanks, John

This is a very interesting thread. I have a duplex up in a three story graystone in Chicago and my neighbors and the co-owner of the building (garden apt.) suffered basement flooding this summer. In response, several of my neighbors have installed backflow preventers. My downstairs neighbor...

This is a very interesting thread. I have a duplex up in a three story graystone in Chicago and my neighbors and the co-owner of the building (garden apt.) suffered basement flooding this summer. In response, several of my neighbors have installed backflow preventers. My downstairs neighbor...