120 Gallon SUNX-120 ProMax Residential Electric Indirect Solar Booster Water Heater - Tall, Requires Solar Panels (1PH, 4.5kW, 240V)

This unit requires solar water panels and cannot function on the backup heating element alone.

The ProLine_ 120-gallon indirect solar booster water heaters are specially designed for installation as part of closed loop solar water heating system. The SUNX-120 provide storage for the hot water produced by the solar panels and a supplementary for water produced by the solar panels and a supplementary electric heating element that maintains consistent water temperature during periods when solar energy is not available. Count on A. O. Smith for innovative products that provide hot water solutions for residential renewable energy applications. Environmentally-friendly insulation and factory-installed heat trap nipples reduce heat loss for maximum energy savings. This ProLine_ water heater is designed with A. O. Smith's superior commercial-grade tank protection. Advanced tank features include stainless steel CoreGard_ anode rod, Blue Diamond_ glass lining and DynaClean_ automatic sediment-cleaning system, all designed to help protect the tank from the corrosive effects of water and extend the life of the water heater. This model also includes built-in Dry-Fire protection to protect the heating elements from damage during initial start up. All of these features are accompanied by a 6-year limited tank warranty. A. O. Smith's ProLine_ water heaters are residential products built to commercial-grade standards and are only available for purchase through professional wholesalers and contractors.

Product Features:

• 21 gallon per hour recovery at 90_ Rise
• Single 4,500-watt heating element with low-watt density design prolongs element life and maximizes efficiency
• Delivers most efficient heat transfer from solar panels via single-wall internal coil-type heat exchanger (solar panels not included)
• Prewired for surface mount temperature sensor (sensor supplied separately)
• Patented Blue Diamond_ glass tank lining protects against corrosion
• DynaClean_ automatic cleaning system protects against sediment build-up
• Two stainless steel CoreGard_ anode rods protect against corrosion longer than ordinary anodes
• Commercial-grade brass drain valve for durable and easy operation
• CSA Certified and ASME Rated T&P Relief Valve, Factory-Installed
• 6-year limited tank and parts warranty