Stinky water in bathroom sink
Okay. I'm ready for all suggestions on this topic. When running water in the rear bathroom sink, the water is enough to mag a gattot. The water in the 1/2 bath and kitchen sinks are perfectly normal. ...
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Canadian Rainbirds wrote:tommy g wrote:rgatijnet1 wrote:If this is true of ANY new design then I have another reason for making my old one last!
Your bathroom sink dumps right in to the BLACK tank. When running water, you have opened the drain for fumes to pass from the black tank up though the plumbing line and in to your bathroom. These fumes will not be present when the trap is full of water but when water is running, like while brushing your teeth or washing your hands, the P-trap is open due to the water flow. As soon as the water is turned off, the seal is once again complete.
Our old '97 Triple E Commander had the bathroom vanity drain to the black tank. Never a smell from it. I vote for the admittance valve.
A bad air admittance vent valve is usually failed open and the smell will be there all of the time, not just when he is running the water. If it fails closed, there will be no smell and the sink will drain slow.
