The Kenmore 420 Water Softener delivers superior hard water protection in a compact, space-saving design. With a 40,000-grain capacity, it reduces hardness minerals up to 120 gpg and clear water iron up to 10 ppm—helping eliminate scale, stains, and the effects of mineral-heavy water on your home and family. IntelliSoft Technology adapts to your water use, regenerating only when needed to save salt, water, and energy while keeping soft water available around the clock. Engineered for whole-home coverage, the Kenmore 420 features a ¾? Ultra Flow Valve that keeps water pressure strong throughout the house. An intuitive digital display lets you monitor flow rate, salt levels, and daily usage in real time. The built-in sediment shield adds an extra layer of protection for plumbing and appliances. Backed by Kenmore’s trusted warranty, with up to 5 years of full coverage available, the Kenmore 420 is a reliable, efficient solution for families who want healthier skin, cleaner laundry, longer-lasting appliances, and better water quality every day.