Brush rollers for central vacuum powerheads are important to maintain and replace when necessary. The central vacuum is only as good as the accessory doing the cleaning. When you're in home vacuum systems brush rollers bristles have worn down or bearings begin to lock up it is time to replace the brush roller. The powerhead's brush roller allows agitation of the fibers of your carpets or rugs, combined with the suction power of your central vacuum provides a deep rich clean. Don’t forget to order your spare belts with your brush roller for proper upkeep and maintenance of your central vacuum's powerhead.