European technology water heater. It doesn't need electric power or gas. It uses the energy from the sun to bring your showers or baths to your comfort temperature, saving 80 to 90% of the annual expenses of your conventional water heater. It is the most efficient on the market. With copper tubing, tempered glass cover and corrosion protective anode, is top quality of its kind and it has a long life expectancy. It comes with anti-freeze valve, pressure relief valve, air purge valve and ground mounting base. Three capacities to choose from. Price shown is for compact size. Available: Nogales/Rio Rico AZ, Tucson/Oro Valley/Oracle AZ, Chandler/Scottsdale/Tempe/Mesa/Phoenix AZ and other towns of Maricopa county.