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copper coil solar water heater
Component and Description: 1. Material of Inner Tank: SUS304-2B Stainless Steel 0.5mm thickness 2. Material of Outer Tank: White color plate/SUS304-BA Stainless Steel 0.4mm thickness 3. Material of bracket: Zinc plate/ Stainless Steel 1.5mm thickness 4. Heat Preservation : polyurethane foam with 50- 55mm thickness 5. Vacuum tube: 58/1800mm 6. Copper Coil: the diameter is 12mm, the thickness is 1 mm
Compact No Pressure Solar Water Heater