Order No. 90 078 05 corresponds to Viega ProPress 90° Press Elbow, which is an angular press-fitting for copper pipe with PressoCompression connection.

It is a 90° angle with press-ends for copper pipe (ProPress system), allowing quick and leak-proof connection without gluing, using a special Viega press.

• Common models include Model 2916 (1/2″ × 1/2″), part # 77317, and other types such as hi-ear or drop-ear.
• Includes EPDM O-ring for sealing and Viega’s Smart Connect technology, which ensures proper compression.

It is suitable for use in: drinking water, heating, gas systems, cooling, and other installations, provided the correct type of press-fitting is used.