... (complete set)2) Consist of solar collector, water tank/boiler, circulation pump, expansion evessel, controller,flowing meter,pressure gauge3) Capacity ... C): 3009) Tube Hail Resistance ≤25mm SPLIT PRESSURIZED SOLAR WATER HEATER PACKING:1) Standard export packing for full container quantity2) ... tube ,If the tubes have high absorptivity.The solar water heater could used long. Then Our company from the ...