SCALESWEEPER ultimate plumbing and appliance protection is the #1 electronic salt-free environmentally friendly water softener alternative that eliminates hard water problems and dissolves pre-existing scale in your home. The electric impulses generated by the computerized microprocessor stop Calcium and Magnesium molecules from bonding to everything throughout your plumbing ecosystem 24/7. SCALESWEEPER stops scale buildup and scale corrosion inside all the pipes and valves in your home. When scale accumulates, it clogs and corrodes pipes, fixtures, and the critical components of your appliances. No more scale on sinks, faucets, toilet bowls, bathtubs, showerheads, glass and tile. In your dishwasher glasses, plates and cutlery sparkle. The washing machine, dishwasher, tank and tankless water heaters, water dispensers, humidifiers all work much more efficiently and require no repairs due to scale degradation on the components. SCALESWEEPER works on galvanized, copper or PEX (plastic) piping. DIY installation at the water entry, wires are wrapped on the outside of pipe no plumber required. Holmes Approved Product. The SCALESWEEPER unit comes with a 10-Year Warranty and 100% Satisfaction guarantee.