I have placed a system marker (tank) and now the pressure is not sufficient. If I have to change it to a pressurized system, How do I do it?

I came across a scenario that I feel using below approach advised by Hevacomp to add hot water cylinder to CWS would almost double the real CWS incoming supply/or booster set. The attached approach ignores the diversity occurs at the point of sanitary…

Hi, I've modeled a BCWS in netsys, the system connects fine, however the output table for the system is fine, however pipe notes display different sizes. And sizes that don't exist on the sizing criteria selected (copper old X) Any ideas? Thanks…