Product Name:Non-pressurized solar water heater

Model:YYJ-R01

Circulation Type:Indirect / Open Loop (Active)

Heating System:Thermosyphon (Passive)

Materia

lInner tank:SUS304-2B stainless steel with thickness 0.4mm/0.5mm

Outer tank:Galvanzied steel -0.4mm / aluminum-zinc coated steel-0.45mm

Insulation:polyurethane - 50mm

Frame:Galvanzied steel -1.5mm/Aluminium alloy

Vacuum tube:Cu-S/S-N/AL-47-1500/58-1800

http://www.ejiasolar.com/