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re: I have a plumbing question for yall

Posted on 5/23/17 at 4:39 pm to
Posted by Chuker
St George, Louisiana
Member since Nov 2015
7544 posts
Posted on 5/23/17 at 4:39 pm to
quote:

EXTREME vacuum.




Hopefully "extreme" is a little hyperbole.

The blockage is either before your vent or your vent is clogged as well as the drain line or you don't have a vent for that sink.
The odds of both vent and drain being blocked is minuscule. If its a older house that has had some remodel done it wouldn't surprise me to find that sink doesn't have a vent.
Posted by BSL966
Member since Nov 2016
17 posts
Posted on 5/23/17 at 6:39 pm to
Sounds like a major clog in the drain line before the vent. If it was just a clogged vent, then the sink would drain but suck the trap dry. Since there is a vacuum when plunging, the vent cannot communicate with the sink - it it could, there would be no vacuum. Try fishing into the drain pipe with trap removed.
Posted by X123F45
Member since Apr 2015
27349 posts
Posted on 5/23/17 at 7:00 pm to
quote:

Hopefully "extreme" is a little hyperbole


I'm a big guy, when In push the plunger down, I cannot pull it up with my bad shoulder.

If I brake the vacuum by yanking my thumb off of the sink overflow, then it's easy.

If I had to guess, this is an unvented sink. I can't remember off the top of my head if there are one or two pipes. Will look tonight.
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