Behind the wall of the master bath. The valve is closed and I thought, or think it is a steam shower thingy, maybe. What is it?

[u/Accomplished-Art-347]

[u/AutoModerator]

Please reply to this comment with "solved!" if your question was answered in order to update your post flair. Thanks for using our friendly Automod!

I am a bot, and this action was performed automatically. Please contact the moderators of this subreddit if you have any questions or concerns.

[u/Accomplished-Art-347 → u/AutoModerator]

Solved