2012 Flat Plate Solar Water Heater 1)Red copper core & pipes 2)Pressurized Water Tank 3)Anti-freezing -30degree Flat Plate Solar Water Heater Flat Plate Solar Collector Spec. (mm) 2000*1060 ... 6.0 bar Tilt angle 25°~ 50° Water output 45~95oCAccessories: 1) Electrical heater, as an auxiliary heating element in case of ... -14daysD.Shipping: EMS,DHL,UPS, big order by sea 2012 Flat Plate Solar Water Heater