Nibco pressystem press fitting part Number: 9056150Pc The Nibco Press system copper degree elbow features an inboard bead and EPA O-Ring. Simply applying pressure From a pressing tool tightens the O-Ring onto the tube, ensuring a clean, watertight seal in seconds with no flame, solder or flux. The elbow has press connections. The fitting provides a method of changing the Pipeline direction by 90 degrees. 1 pack