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무료 예비 부품, 반환 및 교체
접속 방식
vacuum tube collector
Product name
300 gallon v guard solar water heater with price list for poland
Inner Tank
SUS304-2B Stainless Steel
Insulation layer
50~55mm Polyurethane
Outer Tank
Stainless Steel
Vacuum tube
ALN/ALN-SS/CU coating,58*1800mm
Copper heat pipe
1700mm length,wall thickness:0.7/0.8mm
Aluminium fin
Copmact type,thickness:0.25mm