Stepping on the foot pedal half way for adding water and full activation to provide a full-bowl coverage flush.Please confirm your current flange has 6 11/16' bolt spacing with under 1/2' protrusion 20' taller seating height offers a comfortable feel that resembles a real household toilet Efficient design allows disperse flushing coverage to clean the bowl more thoroughly and reduce water consumption HDPE material with strong construction can bear up to 441 Lbs Comfortable and easy to operate, the toilet is ideal for RVs, camper cars, trailers and other mobile home campers