To Modify the System Assigned to a Pipe

1. Select a pipe segment in the pipe run.
2. On the Properties palette, select a system.
   Tip: Alternatively, you change the system by clicking Pipe tab Modify panel Modify Run .
3. (Optional) To modify the system for a connected run, click Pipe tab Modify panel Modify Run .
4. Specify a system and other properties, as desired, on the Modify Run dialog box. For more information, see Modifying Connected Objects Along a Pipe Run.