Retired plbg1
The Plbg. Code dont alow those toilets on upper floors. You said house was built in1900 you probly have high ceiling drop the ceiling 6″ move fix close to a wall and put in a sofit. Did you have Plumber check it out are you doing all the guese work your self, everybody else puts toilets on third floor just take a little knowledge.
Art retired plbg
