Nicht unter Druck kompakte Solare Wasser-Heizung mit 1.

compact solar water heater Working principle 1) Inner tank material: SUS304-2B stainless steel, thickness: 0.31mm. Available thickness is 0.25-0.5mm. 2) Outer tank material: Color steel plate, thickness: 0.31mm. Available thickness is 0.25-0.5mm. 3) Vacuum tube: 58x1800mm Material: High borosilicate glass, three-layer deposition vacuum tube. Tubes quantity: 18PCS. Available tubes are 15, 16, 18, 20, 22, 24, 26, 28, 30 and 36PCS, over 15 years service life. Hail resistance: 25mm. 4) Insulation layer: High density polyurethane foam, thickness: 55mm. Available thickness is 50-60mm. 5) Capacity: 150L, available capacity is 100-360L. 6) Frame: Galvanized steel plate with plastic spraying ,thickness is 1.5mm. 7) Electric heater: 1.5Kw to 3Kw 8) controller:SR500 For more information, please contact us freely, thanks