The (often referred to as the Kenmore Elite 420
Allows users to easily track their average daily water usage, current water flow, and salt levels. 40278 water softener
Equipped with a 1-inch high-flow valve, the unit maintains excellent water pressure throughout the house, even when multiple faucets or showers are in use. Kenmore 350 Water Softener With High Flow Valve - Amazon.sg The (often referred to as the Kenmore Elite
Effectively reduces water hardness of up to 90 grains per gallon (gpg) and can clear up to 8 parts per million (ppm) of "clear water iron". current water flow
The 40278 model is for performance and efficiency. Its "demand-initiated regeneration" (D.I.R.) ensures that the system doesn't waste water or salt on a fixed schedule but instead reacts to actual consumption.