▲ With high quality vacuum tubes as solar collector, absorption percentage 91-94%.
▲ Module is made of stainless steel 304, or galvanized steel with spray-paint, beautiful and durable.
▲ The water in the water tank is under pressure, and the system works with hot water circulation pump.
▲ Working pressure: 0.6MPa.
▲ Heating pipes in the vacuum tubes are made of high quality copper, with our special design: super conductive heating pipe, it is efficient.
▲ If one vacuum tube is damaged, the whole machine can work normally, as no other part is influenced, replacement is convenient.
▲ Warm keeper of water tank in the module is frothed with grass fiber and polyurethane, thickness 50mm.
▲ 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 15 tubes to 30 tubes.