Creating a group of valves

Configuration
1

You can create groups for the following

  • binary sensor (binary sensors)
  • button (buttons)
  • cover (covers)
  • fan (fans)
  • switch (switches)
  • lock (locks)
  • light (lights)
  • event (events)
  • media player (media players)
  • notify (notifications)

How can you group valves?

2

I have this exact question

3

What entity type are they?

4

In my case, they are shelly switches shown as valves. I want to group them to use them in a template sensor.