American Valve 12789 3/4" ScaleRX Ion Polarization Scale Reduction System for Water Heaters Sanicondens Selector dial backlight

Selector dial backlight

full-sized

stainless steel and aluminum tubing

The adjustable

1-1/2 to 3 Tons

American Valve 12789 3/4" ScaleRX Ion Polarization Scale Reduction System for Water Heaters Sanicondens Selector dial backlightAmerican Valve 12789 3 4" ScaleRX Ion Polarization Scale Reduction System for Water Heaters ScaleRX protects your water heater from limescale build up and keeps it running efficiently. It requires no power supply, batteries, chemicals, or filters. ScaleRX uses a patented Turbulent Galvanic Polarization (TGP) system to disrupt the formation of limescale crystals on water heater elements. In side by side comparison testing, ScaleRX was four times more