FAQ Search Select a Category Cleaning Formulas Cleaning Tips Corporate Deep Cleaners FAQ Hard Floor Cleaners Parts and Accessories Steam Sweepers Vacuums Warranty Web Site and/or go Where can I locate the model number and the serial number (image code) on my upright vacuum? Answer: The model number and serial number (image code) for the upright vacuums are located on a sticker on the back of the machine. The model number is listed first, followed by the serial number. The serial number begins with a 0 or a J. Related Questions How do I best use the Acarosan liquid Spray product? Where can I purchase the BISSELL One Step Wood Floor Care? Where can I buy the BISSELL OxyPRO Natural Orange? How do we use the 3X Concentrated Formula?