Some components have multiple connectors that display stacked one above another. When drawing duct from a stacked connector, a Select Connector dialog displays to let you specify which connector to use.
For 2-line duct, transitions, tees, and elbows are automatically added to the segment.
Connecting vertical duct from an existing component
Placement Tools
Placement Tools panel
Inherit Elevation or
Inherit Size to assume just the elevation or just the size.
A vertical segment is automatically created, extending from the original offset to the newly applied offset. You can draw horizontal segments to continue the run at the new offset, or click Modify to place only the vertical segment.
When drawing duct from a component with multiple stacked connectors, a Select Connector dialog displays to let you specify which connector to use.