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Author:
lyn12 (IL)
I replaced all my plumbing and sewer pipe in basement under the concrete from the house the street. I had a smoke test and camera to the street. Everything was good. Basement has sewer gas odor. I fill the drain trap in basement weekly. The water get siphoned away and trap is dry. Something is wrong with venting
I tried to post pics but cant get hot to work
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Author:
exapprentice30 (MA)
You could have a leaking p trap or water is flowing past the un vented floor drain trap when other fixtures are being used and siphoning it out. [www.youtube.com]
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Author:
bsipps (PA)
If the wye just downstream of your clean out tee is your vent and it’s capped ( not open to air) it will siphon your floor drain trap
Also if the pipe above the clean out tee is a waste stack you must have minimum of 10 times the pipe diameter distance from the sweep before you tie any other fixtures into the main horizontal drain to help prevent hydraulic jump from siphoning the trap
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