The Most Useful Unpressurized Solar Water Heater

Specifications

1.Certificate:CE, ISO9001,CCC,SGS,RoHS
2.Anti-freeze
3.Guarantee:15years

 

Water tank:

 

1. SUS304-2B food grade stainless inner tank
2. Polyurethane foam insulation (thickness:50mm)
3. Stainless or aluminum support
4. Electromagnetism or ball valve (optional)
5. Electrical boost heater (optional)

Vacuum tube: Trivalent element evacuated tube (high borosilicate glass)

Working principle:

1.The high quality vacuum tubes absorb the solar ultraviolet ray, and then heat cold water in the vacuum tube.

2.The hot water rise in the top of the water tank, and the cold water sink to bottom then heat by solar collector. So the whole system is always circulating continuously.

3.The electromagnetism or ball valve can perform if the water supply automatically, the water in the tank is not sufficient, the electromagnetism valve will open its valve, the tap water flow in the water tank, if the water is full, it will close the valve automatically.