Designed to remove up to 140 grains per gallon of hardness and 12 ppm of clear water iron, this is an ideal softener for households with high levels of hardness and iron. Uses demand regeneration technology to regenerate only when you need it. The tank light makes it easy to see the salt level to know when it is time to add more. High flow valve connects up to 1.25” plumbing. Water softeners need to regenerate in order to properly function and the WHES40’s demand initiated regeneration technology monitors how much water you use and will only regenerate when you need it — cutting back on both water and salt usage Removes maximum of 125 grains per gallon of hardness, making it an ideal choice for houses with high levels of hardness System triggers an additional backwash cycle to rid itself and your water supply of excess non-ferrous (clear water) iron (up to 10ppm) Steady light indicates the softener is working efficiently, but will start blinking once salt levels are becoming low, giving you notice a few days in advance to refill Installation is made easy with a do-it-yourself kit that includes a bypass valve and detailed instructions Water flow indicator alerts you immediately to any potential leaks in your home’s plumbing The softener connects to plumbing up to 1.25 inches diameter Type: Water softener system Depth (Inches): 21.4 Height (Inches): 49.1 Household Size: 5-6 people Maximum Grain Capacity (lbs.): 44000 Salt Storage Capacity (lbs.): 200 Width (Inches): 21.4 Demand Regeneration: Yes Hub Required: No Lowe's Exclusive: No Max Clear Water Iron (Parts Per Million): 12 PPM Max Water Hardness (Grains Per Gallon): 140 GPG Salt-Free: No Tank Material: Plastic Use Location: Home Voice Controlled: No Warranty: 1-year App Compatibility: No Bluetooth Compatibility: No Smart Compatible: No Wi-Fi Compatibility: No Works with Amazon Alexa: No Works with Android: No Works with Apple HomeKit: No Works with iOS: No Works with SmartThings: No Works with the Google Assistant: No CA Residents: Prop 65 Warning(s): Yes UNSPSC: 41104200