How to get the element curve of a pipe and place a specific model line in the same place

Hi, I am trying to take a specific model line type and place it in the same spot as a pipe(s) using dynamo, but I seem to be failing. I dont seem to be able to get the center line to show up in dynamo at all. Can anyone please help me? Here is what I got

@mix Use Element.Location node from clockwork package.