I am very limited on space and trying to figure out what would work. The line will then travel about 8 feet and then turn vertical, then back horizontal to connect into a wye combination. happy to answer any questions.
No. I mean that if your stack is coming down at a 45° angle from plumb out of your slab into the wall, the overall height of the top of the fitting is lower than if it were standing up at 90°.