Originally Posted by RUM7
https://www.supplyhouse.com/Spears-...QN_SDhR8X62KSb6c844KakQm3egUa1NQJKJA8Agk
I would use this, a short stub of 4" pvc and then a no hub connector to the cast iron.

But it sounds like you already have too many armchair QB's

Arm chair qb's?? ,that's a 4x3 reducer
grin

Last edited by rong; 03/19/23.