I have a bathtub that needs to drain horizontally to the main stack. The stack is 14' from the tub's drain. I also need to make a 18' horizontal run for the kitchen sink. I'd like to drain both in the same pipe if possible.
The kitchen sink will be vented with a sanitary tee fitting at the wall. This drain line will then run in the walls to another sanitary tee (vented again for bathtub), and then down b/w the joists. It will wye into the bathtubs drain line.
So effectively the kitchen sink's drain line is acting as the bathtub's vent. Will this siphon water from the bathtubs trap?
All pipes are 2". Location is New York (IPC).
The kitchen sink will be vented with a sanitary tee fitting at the wall. This drain line will then run in the walls to another sanitary tee (vented again for bathtub), and then down b/w the joists. It will wye into the bathtubs drain line.
So effectively the kitchen sink's drain line is acting as the bathtub's vent. Will this siphon water from the bathtubs trap?
All pipes are 2". Location is New York (IPC).