... /Al/Cu/SS Integrated Pressurized Solar Water Heater ,solar water heater,heat pipe solar water heater,pressure solar water heating,solar water heating ... ,solar hot water heater,solar heater,solar water,solar Material: Model NameSF-PH solar water ... hours, the temperature go down 3~5°C per day4) Wind resistance: 30~35m/s5) Hail resistance: no more than 30mm6 ...