01. System relies on the natural circulation of water between the collector and the tank or heat exchanger.
02. As water in the vacuum tubes is heated it rises naturally into the tank, while cooler water in the tank flows down to the bottom of the vacuum. tubes, causing circulation throughout the system.
03. Non-pressurized thermostatic solar water heater with water tank and is economical as a natural circulation system.

Specifications:
01. Uses twins vacuum glass tube with AL/N/AL selective coating.
02. Inner tank with 0.5mm thickness food grade stainless steel SUS304-2B.
03. New design stronger tower shape frame with 1.5mm thickness.
04. Angle of frame can be changed in the production as the local latitude of customers, can design suitable angle.
05. With 55mm thickness polyurethane foam insulation layer.

06. Keep water hot more than 72 hours.
07. Installation and maintenance is very easy.
08. We offer the accessories of system such as electric heater, assistant tank, controller and magnesium anode, etc.
09. Very popular in Torrid Zone and warm area such as Asia and Africa.
10. Uses automatic advanced argon arc welding technology, system life more than 15 years.
11. Capacity: 85 to 360L.