With advanced technology and a range of features, the WHES44 Whirlpool water softener brings best-in-class water softening to households of 1 to 5+ people. Designed to handle up to 140 grains per gallon of hardness, this system will reduce high levels of hardness. Its low salt indicator takes the guesswork out of replacing the salt. Whirlpool water softeners are also among the most salt-efficient units in the industry. The WHES44’s 6th Sense technology learns your water usage patterns and reduces waste by calculating the amount of salt and water your family needs. That’s less salt to buy, carry, and remember. Ideal for households of 1 to 5+ people 6th Sense technology learns your water usage patterns over time Demand initiated regeneration only uses the amount of salt and water you need, saving you money Reduces up to 12 ppm high levels of ferrous (clear water) iron Fully automatic electronic controls Power loss protection retains memory after an outage Includes a low salt level indicator High-flow valve connects with up to 1" plumbing Includes essential parts for DIY installation: bypass valve, install adapters, drain hose, and silicone grease