Technical Parameter of Water Tank:Model300LDimension?600×1815mmInsulation50mm PolyurethaneAuxilary electric heater3KWSize of inlet / outlet pipeDN25Size of copper coilDN20No. of magnesium rod1pcOuter material0.5mm color steelInner material2.0mm SPCC steelHeat Exchanger1.5m2 SPCC coil