Unpressurized Solar Water Heater

Following are the features of Unpressurized Solar Water Heater:
1) Inner water tank shell is made of SUS304-2B food grade stainless steel plates,
2) Outer tank shell is made of coated color steel plates or Zinc-Aluminium coated. Water is pure and drinkable
3) Heat insulation of water tanks adopts polyurethane foam and the thickness is 55mm
4) Silicon rings to connect and seal them
5) Capacity: 100L, 150L, 200L, 250L, 300L
6) The life of the water heater can be 20 years.
7) Whole strong borosilicate vacuum tubes adopt super hard borax and silica glass
8) Absorption rate: =93%, thermal radiation rate: =6%
9) It resists 25mm hail
10) Temperature when exposed to sun without water: 250A C, 2 hours to boiling point if using single tube
11) If you use electrical appliances, it will begin to work when the temperature of the water is below 60A C, and will switch off automatically when the temperature reached 60A C.

Use: Bathroom
Pressure: Unpressurized
Circulation Type: Direct / Open Loop (Activezh
Heating System: Thermosyphon (Passive)
Certification: CE
Connection Type: Direct-Plug
Application: Solar Thermal
Type: Non-Pressure
Pipe Material: Glass
Character: Convenient installation