always use copper for any kind of water installation
A water pipe.
yes any pipe will
You need at least a 3 in. pipe -- shower is 2 in. pipe
By cutting in a cast iron Wye so the flow enters the sewer line (soil pipe) at a right angle
By installing a "TEE"
Water won't drain from shower. Either trap or shower drain line is clogged.
A poor plumbing job. The pipes to the shower & sink share a pipe to the water heater and the pipe is not large enough. This causes the water pressure in the pipe to drop when the hot water is turned on at the sink while the shower is also on.
Shower drain goes into a trap under shower. Continue piping from trap to drain line.
the shower and bath water comes from two different places so their is two different pipes. Get the shower pipe checked out by a plummer and they cause fix the pipe.
Shower pipe is gray
A water pipe.
the outlet pipe at the base of the shower has not got enough angel for the water to run free
If you have an existing shower with a 2" line 'stubbed out of cement', it more than likely has a P-trap underground. An easy way to tell is to get a flashlight and look down the pipe; if you can see water standing in the pipe, there is a p-trap. No water, no trap. Double trapping a fixture is not recommended.
Incorrect pipe size installations
When the handle is in line with the pipe, the valve is open.
when water is flowing thru a pipe air mixed with the water will cause noise or the shower head could be starting to lime up,
Supply coming from water source is a water service line.