Features: 1) Tank capacity: 200L 2) Tube sizes (D x L): 58 x 1800mm 3) Tube quantity: 24pcs 4) Tube vacuum degree: 5 x 10-3 5) Tube absorption >0.88 6) Tube heat loss 7) Tube heat transfer power: 26000kW/m2 8) Working pressure: 0.6MPa 9) Anti freeze: -407deg;C 10) Anti ice drops (D): 30mm 11) Tube start working temperature: 12) Lighting area (made of aluminum alloy): 3.4m2 13) Support frame anti-wind (stainless steel): 26.5m/s, grade 10 14) Tank inner sizes (D x L): 350 x 2234mm 15) Thickness of tank inner: 1.8mm 16) Materials of tank (outside): steel coated with Al and Zn 17) Insulation polyurethane: 65mm 18) Heat specifications (fitted in the water tank): 1100W, 220V / 50Hz 19) Thermostat: range: 30 - 80°C (cut-out limit) 20) Dimensions of water inlet and outlet: G1/2