Quote:
Originally Posted by Dr Winston O Boogie jr
I bought a new cottage home about 16 months ago. Within a month or so when we ran the garbage disposal dirty water would come up in the opposite sink. At first I figured that it was because everything was new and maybe it needed to be broken in. So I just bought a plunger and that seems to take care of the problem. After a couple of weeks it happened again so I called the warranty department and they sent a plumber out. He told us that it was because of a new government regulation requiring a baffle in one of the pipes. He suggested that we run the water for a few seconds before running the disposal. We follow this advice, but the problem keeps occurring. It's now happened twice with the last week.
Does anyone else have this problem? Has anyone come up with any kind of solution?
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Baffle tee's are nothing new, in fact they're required in double sinks, as only one trap is allowed. I would inspect/replace your Air Admittance Valve. Google it to see a photo. Its under your sink, and it used as a vent stack, since your sink is probably not against a wall (where a conventional stack would be).