Kohler K-18829 Guía De Instalación Y Cuidado página 5

Install Framing and Waste Outlet (cont.)
1-3/4" (44 mm) for 2x6 framing with a PVC waste outlet
3-1/4" (83 mm) for 2x4 framing with a PVC waste outlet
2-7/8" (73 mm) for a cast iron waste outlet measured from the
front edge of the framing
4" PVC: Install the supplied rubber-ribbed adapter onto the
carrier's PVC elbow, and insert it into the 4" PVC waste outlet
pipe.
3" PVC: Couple to the PVC elbow of the carrier using a flexible
coupler or a cemented PVC coupler.
Cast Iron: Install a cast iron waste pipe according to established
installation methods.
NOTE: Follow all applicable codes in your area.
Kohler Co. 5 1246750-2-C