▲ With high efficient vacuum tubes as solar collector, absorption percentage 91-94%.
▲ Very easy to install on the roof.
▲ Water tank housing is made of stainless steel (or galvanized steel with spray-paint), looks beautiful and substantial.
▲ Inner water tank is made of food grade stainless steel 304, welded by argon arc. Water is pure 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 (or galvanized steel with spray-paint) brackets are strong and windproof, firm and stable, easy to install.
▲ Tube quantity is optional, from 24 tubes to 30 tubes.