Adding a standalone tub too far from main stack to vent that way, so I want to tie in to a vent on the other wall of the bathroom. Which of these three options (or if there's another I don't have listed) is the best/code approriate fitting & size combination?
1st pic is a 90 sweep to a 2" tub drain and 2-1.5" reducer to the vent
2nd pic is a san tee to a 1.5" tub drain and 2-1.5" reducer to the vent
3rd pic is a 45 wye to a 1.5" tub drain and 2-1.5" reducer to the vent
Obviosuly other combinations are possible. Thanks for your help, guys.
1st pic is a 90 sweep to a 2" tub drain and 2-1.5" reducer to the vent
2nd pic is a san tee to a 1.5" tub drain and 2-1.5" reducer to the vent
3rd pic is a 45 wye to a 1.5" tub drain and 2-1.5" reducer to the vent
Obviosuly other combinations are possible. Thanks for your help, guys.