Plumbing – Cannot unscrew stuck shower arm

pipeplumbingshower

I’m replacing my old shower arm but it stuck and won’t move not even a bit.
The picture is my old adjustable shower arm remnants(female) attach to the pipe(male) coming out of the wall.

I tried heating then unscrew, WD-40, lime a way and pipe wrench but nothing worked so far.
WD-40 was so hard to spray in the thread also…i don’t think it was going into thread that much.

Before calling plumber, is there anything I could do?
enter image description here

Thank you,

Best Answer

You need more leverage. To do that use a pipe wrench with a cheater bar attached so the handle is longer. Slip a 1 inch (or comparable) diameter pipe length onto the handle. This will greatly increase the torque you exert. Counterclockwise direction is loose.

Apply force slowly and in increments. Most likely there's a sweated copper fitting behind the shower arm and it can break if over torqued.

A more passive way to remove it would be with a hacksaw. Make a diagonal cut on top of the squared shoulder of the shower arm. Cut until you see the 1/2 inch nipple that it's threaded to. Make the cut from its base to the end of the square shoulder. It will spin right off when completed.