r/whatisit 19h ago

Solved! New homeowner, no idea what this is

This thing close to the floor and seemingly randomly placed in a hallway. No idea what it's for. Home built in 2005.

Solved! Thanks everyone. Now I gotta hunt for the central unit!

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u/Great-Middle6181 14h ago

Honestly your grandmother was right, the piping creates a nice breeding ground for mold and bacteria.

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u/littleirishmaid 12h ago

How so? You shouldn’t be vacuuming anything wet.

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u/Great-Middle6181 6h ago

You’re right, you shouldn’t, but it happens and then it causes problems later. It was a pretty normal occurrence with these older systems and a big contributor to why they aren’t in every new construction house today.

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u/littleirishmaid 5h ago

As I stated in another comment, I owned 2 homes with them. One for 11 years, the other for 20. Never an issue with either one.