▲ With high quality vacuum tubes as solar collector, absorption percentage 91-94%.
▲ Very easy to install.
▲ Module is made of galvanized steel, or stainless steel 304, beautiful and durable.
▲ Two group of tubes share one module, very economical design.
▲ Warm keeper of water tank in the module is asbestos and polyurethane's frothed, thickness 40mm.
▲ Water in the water tank is not under pressure.
▲ 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 30 tubes to 50 tubes. |