06:23AM | 06/16/05
Member Since: 06/15/05
6 lifetime posts
We too have the sewer smell in the shower...however, it is a little different than the May post. When we flush the stool, it can be heard gurgling in the shower. After several flushes we start to get the gas smell. It goes away for another period of time by running the shower for several minutes. From previous discussion, it sounds like the trap is not shutting properly, does this sound right to you and how do you solve this problem?


05:40AM | 06/22/05
Member Since: 08/29/04
227 lifetime posts
Actually, it is not the trap functioning improperly. The problem is either a vent or a drain is clogged. When you put one gallon of water into a drain system, you first have to displace one gallon of air. Think about it this way, if you put a straw in a glass of water with your thumb on the end, the water won't enter the straw. But if you release your thumb, the water will go up into the straw. This is the way a vent works, it releases the air to go up to the roof when the toilet flushes. If either vent or drain are partially blocked, the air will come out the traps bringing sewer gas with it. Remember, each gallon of water weighs 8.33 pounds. Where-as a gallon of air has almost no weight in comparison. Pressure goes to the water.

good luck

Raymond VinZant Plumbing Prof.
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