What is a difference between the 715 Steamer and the 915 Steamer?

A) The 715 Power Steamer is ideal for the quick and effective removal of all types of wallpaper. The steamer comes with a large 8″ x 11″ steam plate for large work areas and a small 3″ x 6″ steam plate for small work areas. The 12′ cool-touch hose allows the user to work over a large area without constantly relocating the unit. The steamer is for water use only, so it is environmentally friendly and cost effective to use.

B) The 915 Power Steamer is a pressurized system that supplies steam at the touch of a button. It is ideal for the quick and effective removal of all types of wallpaper and will steam clean and sanitize surfaces in one step without chemicals. The steamer can be used to clean barbeque grills, greasy stovetops, bathroom fixtures and floors. The steamer includes a wallpaper steam plate, window/tile squeegee, floor cleaning head and pad, two extension tubes, measuring cup, filling funnel and assorted utility brushes.