| Posted by Gary Swart on March 05, 2002 at 02:26:31: | |
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| In response to Re: Backflow device an alternative to venting? | |
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Your floor drain(s) should be trapped. I have just installed 3 floor drains in my basement, they have a ball that will float up and stop water from backing up, but they also have a p-trap. |
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