> For the complete documentation index, see [llms.txt](https://help.arkance-systems.com/pressure-drops/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.arkance-systems.com/pressure-drops/en/manual/duct-connection.md).

# Duct Connection

When the application detects adjacent elements that are disconnected, it automatically connects them into one system.

<figure><img src="/files/Y5IHUkc7U7UFPeI3wIzR" alt=""><figcaption><p>Automatic connection of adjacent elements to one system</p></figcaption></figure>