I would like to see a couple more options added to the Pipe Type routing preferences. I think it would be good to have defaults for Insulation types and thickness based on a specified pipe size range (see image below). The insulation will then get added to the pipe automatically and adjust based on pipe size.
Also, a section for selecting what systems this pipe type defaults too. If you would have, for example, Chilled Water Supply and Chilled Water Return as the only defaults for that pipe type, those would be the only 2 systems you have to choose from in the properties when modeling pipe. This would make it easier for the User to make sure they are using the right Pipe Type for that system.
Below is an image showing the additions that I think would be helpful.
