Transformation Components - Oval>Rect Spigot Plate
- Last UpdatedJan 27, 2026
- 2 minute read
The task of creating an HVAC Component is initiated from the HVAC Window.
-
Select Transformations in the Categories dropdown list and then Oval>Rect Spigot Box in the Available Type dropdown list to display the Spigot Plate window:

You are required to input the following dimensions:
-
Oval width AA
-
Oval depth AB
-
Rect duct width
-
Rect duct depth
-
A offset
-
B offset
-
Top Flange
-
Right Flange
-
Left Flange
-
Bottom Flange
-
Oval Extension
-
Male Collar
-
-
To visualize how the dimensions equate to the actual piece of HVAC, select Picture to display a detailed drawing for Transformations Components Catalog Elements - Flat Oval to Rectangular Spigot Box.
Note: The fields will be pre-populated with default dimension. These dimension are governed by the details defined in the HVAC Catalog.
-
Select Transpose width/depth to exchange Oval width AA dimension with Oval depth AB dimension or to exchange Rect width dimension with Rect depth dimension.
-
Specify a type of joint to use for the Oval Jnt (Oval Joint) and Rect Jnt (Rectangular Joint). For more information, see Create HVAC Component.
-
After selecting the type of joint to use for the Oval Jnt and Rect Jnt, you must enter the Aoff Direction.
-
In Aoff Direction enter the direction for the Aoff Direction. Valid directions are E (East), N (North), U (Up), -E (negative East), -N (negative North) or -U (Negative Up). X, Y, Z, -X, -Y or -Z.
-
Using the Flip? - Rect > Circ dropdown list, you can choose whether to flip the direction of arrive and leave of the of the piece of HVAC, 180° relative to the point of origin.
-
In the Connect list, select Connect or Unchanged:
-
Select Connect (default when Create is selected) - connects the piece of HVAC to the previous one.
-
Select Unchanged (default when Modify is selected) - positions the piece of HVAC at the co-ordinates 0.00.
Note: Unchanged is usually used, when Modify is selected, it does not connect the piece of HVAC but positions it at 0.00, in effect in a floating position.
-
-
Select Defaults to reset all the fields back to when the Spigot Plate window was opened.
-
Select Fit to orientate the Spigot Plate to automatically match the outlet (p-leave) of the previous piece of HVAC to the inlet (p-arrive) of the next piece.
-
Select OK to create the Spigot Plate component and close the Spigot Plate Window. You will be returned to the HVAC Window.
-
Select Cancel to discard all field changes and close the Spigot Plate window.