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Old 08-04-2010, 12:20 PM   #1
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venting soil stack

Hi, I am interested in putting a bathroom in my basement. I want a saniflush system, I had a plumber come out he said no problem, he was going to vent it into the sewer line. I called saniflush and they said it has to be vented to the roof. Can vent it to a 1st floor soil stake (can it share the same one). The bathroom in the basement would be about 30ft away from the bottom of the other toilet and sink where i could go up the wall and tie into the soil stack. Their would be 6 or 7 bends to get their.


I am looking for the vent part not the sweage line

Last edited by rb76; 08-04-2010 at 12:28 PM. Reason: venting
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Old 08-04-2010, 12:30 PM   #2
Join Date: Jun 2009
Posts: 6

venting soil stack

how to run the vent, can't get one to roof, can i tie into bathroom up stairs.

I am in the process of finishing my basement and decided to use a Saniflo Saniplus macerating pump unit for lifting wastewater from a sink, toilet, and shower into the existing 4 " drain line (the 4" drain exits the basement approximately 4' from the basement floor). The force main is the easy part, since the drain line runs directly above the new pump unit, but there is no convenient vent stack available to tie a vent line into. Are there venting alternatives (Saniflo says that cheater vents won't work since the unit needs two-way air flow)?

3 threads on same install merged

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