You can adjust the layout of a network by moving a part in one direction.
Click Modify
in the Compass Toolbar.
Select the part in the network
you want to move.
The balloon appears.
Select Manipulate
> Adjust
>
Adjust Same Direction
in the balloon.
The robot places on the part.
Drag along the vertical direction and drop it at the required distance.

Click Commit
.
The selected part is moved by the selected distance. The affected layout is highlighted in red color.

Click Update all
.
The layout is updated.

Note:
If the distance between the two parts becomes lesser than half of the minimum straight distance, then the pipe between the parts is removed and parts are connected together.