ETC SOLAR WATER HEATER

Brand: Sunlit
Material: Borosilicate Glass 3.3
Heat Loss: less then 0.8W/ (m2 deg C)
Outer tube diameter: 58 mm / 47 mm
Inner tube diameter: 47mm / 37mm
Glass Thickness: 1.6 mm
Thermal expansion: 3.3×10-6 deg C
Absorptive Coating: Graded CU-N/CU)
Length (nominal): 1800mm / 1500mm
Maximum Strength: 0.8MPa