vacuum tube solar water heater

We are a professional supplier of all kinds of solar water heaters. This is Non-Pressure Color Steel Solar Water Heater.

1) Inner water tank shell is made of SUS304-2B food grade stainless steel plates,and outer tank shell is made of color steel plates, welded by argon arc. Water ispure and drinkable2) Heat insulation of water tanks adopts polyurethane foam and the thickness is 55mm3) Silicon rings to connect and seal them4) The tubes and supports are adjustable. The life of the vacuum tubes is 5 years.5) Whole glass vacuum tubes adopt super hard borax and silica glass6) Absorption rate: =93%, thermal radiation rate: =6% 7) It resists 25mm hail and the using life of the whole system can last for 15 years8) Temperature when exposed to sun without water: 250°C, 2.5 hours to boilingpoint if using single tube9) If you use electrical appliances, it will begin to work when the temperature ofthe water is below 60°C, and will switch off automatically when the temperaturereached 60°C.10) You have to test the water temperature before using, in order to avoid scalding

vacuum tube solar water heater