Should be. Look for red and blue lines just below floor level, behind the frame rail, around the area of the service bay. Should also be another blue line separate that is the fresh water tank drain.
Vaughan & Tracy 2013 RW 36RL, 2013 F350 DRW CC, 2016 Focus. MorRyde IS, MorRyde pinbox, disc brakes, Comfort Ride Hitch. "Life is to be embraced, Grab it with both arms ! "