Floor Drain To Main Sanitary Pipe Posted on January 18, 2018November 30, 2018 Floor Drain To Main Sanitary Pipe Floor Drain ∅80 mm. Provide Another Trap Before Connected With Sanitary Pipe. Main Sanitary Pipe [wpfilebase tag=file id=11206 /] Connected Detail DRAINAGE FLOOR DRAIN Installation Pipe Sanitary Trap Typical