... SPECIFICATIONS:1) Model no.: YYJ-S01 (complete set)2) Consist of solar collector, water tank/boiler, circulation pump, expansion evessel, controller, ... Working pressure: 1.0MPa (10 bar)5) Vacuum tube: D58 , L1800mm6) Absorber Area: 1.92m²/2.57m²/3.22m²/3.86m², 4 ... (°C): 3009) Tube Hail Resistance ≤25mm SPLIT PRESSURIZED SOLAR WATER HEATER PACKING:1) Standard export packing for full container quantity2 ...