Non-Pressure Solar Water Heater

Made in haining ,zhejiang ,China.Use range:For homelife use ,project, can install in everywhere.Specification of the Non-pressurized solar water heater Tank: 1.Inner tank:0.5mm thickness stainless steel 304 food grade diameter 360mm. 2.Out tank:0.31mm thickness bright stainless steel ,diameter 470mm. 3.Welding of the tank:High frequency welding and argon arc welding. 4.Tank insulation layer:50mmhigh-density polyurethane foam. Advantages: 1) The life of the vacuum tubes is 20 years. 2) Stable and reliable performance, economy. 3) Temperature when exposed to sun without water: 250°C, 2.5 hours to boiling point if using single tube. 4) It resists no more than 30mm hail. 5) Heat preservation: at least 72 hours. The temperature go down 3~5°C per day. 6) Optional accessories:assistant tank, electric heater, reflector ,automatic inlet water valve, Magnesium anode, ect.