FAQ Search Select a Category BarkBath Cleaning Formulas Cleaning Tips Commercial Products Corporate Deep Cleaners Hard Floor Cleaners Mops, Brooms and Brushes Parts and Accessories Steam Sweepers Vacuums Warranty Web Site and/or go Why does the water over flow in the collection tank? Answer: Make sure the float is installed correctly. The widest part of the float should be on the bottom. Make sure the float is not stuck at the bottom. The float should freely move up and down. If you require additional assistance, please call BISSELL Consumer Services Toll free at 1-800-237-7691 Monday through Friday from 8 a.m. to 10 p.m. or Saturdays from 9 a.m. to 8 p.m. ET.