With high quality vacuum tubes as solar collector, absorption percentage 91--94%;
Tubes size: diameter 47mm and length 1500mm;
Very easy to install on the roof。
Water tank housing is made of stainless steel, looks more beautiful and substantial;
Inner water tank is made of food grade stainless steel 304, welded by argon arc.
Water is clean and drinkable.
The copper coil in water tank make the heating transfer more effective and pressurized
▲ Working pressure: 0.6MPa.
▲ Warm keeper of water tanks are polyurethane frothed, thickness is 40-60mm.
There is pressure in the copper coil, but not in the water tank.
High quality stainless steel 202 (or aluminum alloy) bracket are windproof, firm and stable, easy to install.
▲ Tube quantity is optional, from 24 tubes to 36 tubes.