Will there be any problems with the photo below.
On the right is a 2in line that is connected to a floor drain on the other side of the wall. This follows onto the main stack which is 4 feet away.
I have the p-trap for the new shower that is connected to the wye that follows on to connect to th 2in line from the floor drain to the main stack. Connected via fernco.
On the left is the vent for the shower that will lead up the wall and is vented via an AAV