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deepstuff 06-16-2010 11:22 AM

Venting basement washroom
 
Hi,.
I'm installing a Saniflow pumping toilet in the basement of my two storey home. I will also be connecting a bath tub and vanity sink to this pumping toilet. Can I vent this system through a vent connected to a vanity sink on the first floor?? I would be connecting to the vent at a level above the first floor sink's trap.


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The Engineer 06-16-2010 12:31 PM

Quote:

Originally Posted by deepstuff (Post 457106)
Hi,.
I'm installing a Saniflow pumping toilet in the basement of my two storey home. I will also be connecting a bath tub and vanity sink to this pumping toilet. Can I vent this system through a vent connected to a vanity sink on the first floor?? I would be connecting to the vent at a level above the first floor sink's trap.


Thanks http://www.mikeholmesfanforum.com/ph...helpsmilie.gif

Yes, you can connect the saniflow system into the regular venting system. BUT! I want to point out that you should connect into the existing vent 6 inches above the flood rim of the sink upstairs. (6" above the countertop) If you connect in below the sink, but above the trap, and if there is a clog in your waste line from the sink, the water will back up and flow down the vent line into your basement system.

deepstuff 06-17-2010 07:37 PM

Not sure if I can get to 6-inches above counter top but should be able to get close to counter top level. I has you say it ever got plugged wouldn't that keep water in the sink to indicate a plug before I totally flooded my basement?

The Engineer 06-18-2010 06:41 AM

Quote:

Originally Posted by deepstuff (Post 457855)
Not sure if I can get to 6-inches above counter top but should be able to get close to counter top level. I has you say it ever got plugged wouldn't that keep water in the sink to indicate a plug before I totally flooded my basement?

As long as you get the vent as high to the underside of the counter as possible, the system will work as it should and your sink won't drain down the vent as long as the water is not up to the rim of the sink. Just remember that it will not be code complaint if you try to sell your house down the road and the inspector see's it that way.


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