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by jadams5 2774 days ago
Yep, it's a two pipe system. One of the first things I did was verify that the traps were all functioning. Amazingly enough, they were!

The house was built in the 20's by a commercial plumber who put in some more commercial-style amenities including some state of the art for the era tankless flush-valve toilets. I love them, wife hates them.
1 comments
soperj 2774 days ago
>tankless flush-valve toilets

Quickly tried to find a picture of this, but don't know what exactly i'm looking for. Can you post a link?

link
jadams5 2774 days ago
https://en.wikipedia.org/wiki/Flushometer

edit: It's just like what you'd find in any modern commercial building in the US, just with a much older form factor of toilet. When we moved in I got curious why most new homes don't have them. Found out that they don't use any more water than a normal toilet, but they do require a higher water flow rate. The high flow rate requires at least a 2" water main into the house (which we have), while most modern residential construction uses a 1" or less.

link