below-grade-level fixtures and venting
Posted by Mark Powdermaker on September 02, 2002 at 15:36:59:
I want to install a "flush-up" toilet below grade level with a shower and sink attached. The main house drain is easily accessible and is vented on both ends through the roof. Do I have to add another vent(s) or can I just pump up to the already vented drain???


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