The Rheem PREFERRED Plus 42,000 Water Softening System can handle the water demand for houses of all sizes while keeping water and salt costs associated with your softener to a minimum. The built-in Rheem Learning Technology adapts to your household water usage, which conserves water, energy, salt and saves you money. Rheem Water Softeners are designed, engineered, and manufactured right here in the USA.

Ideal for large households
Rheem Learning Technology learns your water usage patterns, which optimizes salt consumption and provides on-demand soft water for your home
Advanced water management electronics
Proven, industry-leading valve maintains water pressure in up to 1-1/4″ plumbing and homes with multiple bathrooms.
Customizable water hardness with blending valve
Angled tank design for easy loading of salt
Clear water iron reduction
Light illuminates and flashes for alerts
Extra layer of sediment protection for water-using appliances and plumbing by limiting large particles from long-term damage
Inner tank light for low-light conditions
High impact salt storage tank with internal, double-lined mineral tank
Resin bed agitator keeps resin bed free of contaminants
DIY installation kit and instructions are included
Low salt monitor