You Can but typically the pipe for the shower head that is coming out of the wall is just a short piece of pipe that you should be able to remove easily enough by unscrewing it. Then you can just replace that piece with a new one. == Answer== Do the same as above but make sure your shower arm is not floppy, if it is you could tear up the riser coming to the arm. Be very carefull.
Shower pipe is gray
I am assuming you are talking about the curved pipe coming out of the wall leading to your shower head. In order to change it, simply unscrew it counter-clockwise using a pipe wrench. To install the new one, make sure you use pipe sealing compound and wrap the jaws of the pipe wrench with tape to prevent the finish from marring.
You need at least a 3 in. pipe -- shower is 2 in. pipe
2 in.
2"
The required minimum pipe size for a shower tub drain is 1 inch.
Water won't drain from shower. Either trap or shower drain line is clogged.
Normally 2"
No. Australian pipe threads are metric and the US is not.
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.
You may have a broken pipe or have not paid your water bill and they turned it off at the main. Check the main for a tag from the department of water and power.
Your shower may squeal because it has a leak in it. There may also be a loose screw somewhere in the pipe.