A. O. Smith Whole House Salt-Free Scale Control | 600K Gal | AO-WH-DSCLR | 6-Year Life | 15 GPM | Prevent Scale Buildup, Protects Appliances | 3/4" NPT | City & Well Water | 6-Year Warranty

Salt-Free Scale Prevention – The A. O. Smith Descaler reduces scale build up in pipes and plumbing using a salt-free & chemical-free system but does not soften water or remove minerals that cause hardness. No cleaning, backwashing, salt-bags, or electricity required.

Effective Solution for Moderate Hardness – Ideal for use when incoming water supply has a hardness under 15 grains per gallon, alkalinity under 250 mg/L, pH under 8.3, and less than 0.3 ppm of iron.

Works For All Your Water Needs – System works effectively on water for use in drinking, cooking, showering, and bathing. Perfect for households of 4 or more people. System will not reduce TDS, sulfur, or iron.

Well Or City Water – Our Whole House Descaler is engineered to work with both well & city water systems. Includes one Whole House Descaler, shut-off valve, hose adapter and nipple. Use of a pre-filter is recommended.

Long Lasting & Cost Efficient – Reduces scale build-up for up to 6-Years or 600,000 Gallons. System includes a 6-Year warranty.