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Old 05-07-2008, 04:04 AM   #1
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Sewer gas coming from all drains

I am getting a sewer gas smell from every room in my house with a drain.
It is a basement entry home on a concrete slab. I have read many posts on this site and don't know what I should do.


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Old 05-07-2008, 08:28 AM   #2
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Do the trap gurgle after they drain out? Could be a venting problem.


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Old 05-07-2008, 05:28 PM   #3
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I agree with Ron (he's a pro, I'm not). Sounds like a vent problem. When a vent is blocked, any water draining through the system will siphon the water out of the traps (which are there to prevent sewer gas from getting back into the house), creating artificial "vents" and allowing sewer gas in.
Go up on the roof and inspect for blockage in all vent pipes (leaves, trash, birdnest, etc.). Clean out all that you can reach by hand, and flush the vent pipe down with a water hose sprayer.
If that doesn't do it, you may have to snake the vent pipes with a heavy-duty plumber's snake, and then flush them down.
Good Luck!
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Old 05-07-2008, 06:15 PM   #4
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Careful pulling out what you can by hand. Occasionally bees will decide it's a good place for a nest or something else living will have gotten in there.
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