Electronic and drive components generally have a service life of 8–15 years .
The unit is designed for DIY installation, and owners' manuals are available via Sears PartsDirect or Kenmore Water Solutions . Typical Performance Max Capacity 40,100 Grains Max Hardness Max Clear Water Iron Resin Volume 1.11 cu. ft. Efficiency 5,090 grains/lb of salt (at min dose) Use & Care Guide Manual de Uso y Cuidado 40278 water softener