bonobo's Forum Topics

Plumbing connection question - 6 replies

I’m getting some conflicting advice about the best way to join a tub drain to the main stack. I have a book that warns against using anything but a sanitary T-fitting when joining a sink to a vertical drain/vent. The worry (as I understand it) is that using a connection with too much downward sweep will cause siphoning. I’m assumi...