The SMRectangularBranch sheet in the HVAC.xls workbook defines the surface mounted components with rectangular nozzles that you want in the Catalog.
PartNumber
Type the part number for the round branch. An example is SMRectangularBranch1.
PartDescription
Type a description for the object.
FaceWidth
Type the face width of the damper for the object.
FaceDepth
Type the face depth of the damper for the object.
ComponentType
Type the component type for the object.
SymbolDefinition
Type the symbol definition for the round tee.