Sunday, December 18th, 2011
When water is drained from the upstairs bathroom, it can create a siphon that drains the water out of the basement shower trap, allowing sewer gases to enter the house.
See the rest here:
First Aid for the Ailing House: Foul smell may be a drain-line issue
Tags: allowing-sewer, basement, drains-the-water, enter-the-house, from-the-upstairs, house, shower-trap, the-basement, the-upstairs, upstairs, water, water-out
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