How to Plumb a Shower Connection With a Reconnected Brass Fitting

Place an adjustable wrench over the brass connection point and turn the fitting counterclockwise to remove it from the pipe in the wall.

Peel off any old plumber's tape and run the fitting under cold water to remove any small pieces of tape or pipe dope. Dry the threads on the fitting with a clean towel.

Squeeze a 1/4-inch bead of liquid pipe dope around the middle of the threads on the brass fitting. Do not smear the pipe dope.

Place the brass fitting back into the hole on the pipe and turn the fitting by hand clockwise until snug. Finish tightening the fitting with the wrench.

Wrap the exposed pipe threads of the shower head arm with a single layer of plumber's tape to lubricate and seal the threads.

Insert the shower arm into the brass fitting and turn the arm clockwise until snug. Place a towel around the shower arm and then grip the arm with pliers and turn the arm clockwise one rotation or until tight.

Turn on the water and check the area around the base of the shower arm for leaks. If there is any water coming from the base of the shower arm, remove the arm and the brass fitting and repeat the installation process.