AO Smith 120 Gallon - 4,500 Watt ProMax Residential Electric Direct Solar Booster Water Heater

AO Smith ProMax 80 and 120-gallon electric water heaters are specially designed for installation as part of direct solar water heating systems. They provide an energy efficient supplementary source of water heating power and hot water storage to help maintain consistent water temperature during periods when the direct solar components cannot keep up with system demands. Features: Multiple Connection Options for Installation Flexibility - Side and top Connections for open loop systems or closed loop systems using an external heat exchanger Dynaclean Diffuser Dip Tube - Helps reduce lime and sediment buildup to maximize hot water output Made from long-lasting PEX cross-linked polymer Long-Lasting, Low-Watt-Density Heating Element - Low-watt density design spreads wattage over larger surface area to prolong element life and help ensure optimum energy-efficiency PermaGlas Glass Tank Coating - Patented PermaGlas lining helps maximize tank life corrosion and rust Coregard Anode Rod Plus Secondary Anode - Aluminu...