Tru504211187
New Member
Hello Everyone -- On the upper unit of a duplex, there is a toilet that will drain to a 3" vertical pipe going to the basement. Immediately below the toilet's san tee, the lav and tub would enter this same vertical. Because the lav and tub are vented individually to the main stack, does it matter if they tie into the vertical using another san tee or should it be a combo/ wye w/ 45?
My understanding is that it does not matter which fitting is used. If it does not matter for code/ functionality, which is 'better' for drainage?
Thank you for your replies!
My understanding is that it does not matter which fitting is used. If it does not matter for code/ functionality, which is 'better' for drainage?
Thank you for your replies!