Bissell PROHeat Belt Accessory Pack, 6960W Includes 2 belts Deep Cleaner Models: ProHeat 8910/7901/7920/7950 Series ProHeat 25A3 Series PowerSteamer 1694W/1697/8805/8806 series PowerSteamer/PowerLifter 1370/1622/1623 Series Works with Model #s: 1697 series, 1698 series, 1699 series, 8804 series, 8905 series, 8910 series, 7920 series, 7901 series, 7950 series, 1370 series, 1622 series, 1623 series, 25A3 series When do I replace the belt? If the vacuum is not cleaning as well as it had before or the brush roll has stopped turning, you may have to change the belt. To change the belt, please refer to your models user guide for installation instructions.