YES !!!!!!!! Minimum 2" P Trap Yes, and it needs a wye not a tee, and it needs to be vented properly.
It's best to have a separate waste and vent line for a shower drain. Introducing a shower drain to a tub drain without a separate line can lead to drainage issues and potentially cause backups or slow draining in the system. It's important for each fixture to have its own dedicated waste and vent line to ensure proper drainage and venting.
The vent is behind the overflow cap where you close the drain. --Without a vent, the water would drain very slow.
Common signs that indicate a need for shower drain repair include slow drainage, water pooling in the shower, foul odors coming from the drain, and gurgling noises when water is draining.
Should be individually vented
You need at least a 3 in. pipe -- shower is 2 in. pipe
Yes as long as the drain has a trap and is vented
To replace a shower drain, you will need to remove the old drain using a screwdriver or pliers, clean the area around the drain thoroughly, apply plumber's putty or silicone sealant to the new drain, and then install the new drain by tightening it securely in place. Make sure to test the new drain for leaks before using the shower.
To remove a twist shower drain, you will need to use a drain key tool. Insert the tool into the drain and turn it counterclockwise to loosen and remove the drain. Be sure to follow any specific instructions provided by the manufacturer for your particular drain model.
A shower drain needs a trap to prevent sewer gases from entering the bathroom. The trap holds water to create a barrier that blocks the gases from coming up through the drain.
If you have a drain available. You may need to chip some concrete around the drain to install the bottom half of the drain. With that in place, set the shower over it and the top piece screws into the drain to form a seal. You can build a 2x4 frame and raise the shower up enough to run a drain to a sump or a floor drain.
To fix a leaking shower drain, you can try tightening the drain flange, replacing the rubber gasket or seal, or applying plumber's putty around the edges of the drain. If the leak persists, you may need to replace the entire drain assembly.