historic

Hey guys. I need to share a little back story to give proper context of my issue with some upstairs very old plumbing. I live in an old farmhouse that was originally Mennonite-built in 1890. There was no indoor plumbing initially but the main floor bath was put in by my grandparents at some...

MEP engineer here came across one of these traps on a jobsite, just curious if anyone has a cut-away, or can describe how they work. I have only seen photos of the jobsite so far, but there does not appear to be a vent. https://looloodesign.com/product/great-sink-trap/

Kohler Iron Works toilet. K-3463 12" rough, elongated bowl 1.6 gallon flush