Match with solar collector perfectlyHigh water heating efficiencyGood hot water preservationÿFeatures:1.ÿPerfect hot water temperature preservation. ÿ2.ÿMatching with pressrized solar collectorÿplays highÿsolar energy absorption efficiency. ÿ3. One copper coil tank, double copper coils tank, three copper coils tank are available.ÿÿCapacity(Liter)ÿÿÿÿÿÿÿÿÿÿÿ Inner tankThickness&diameter (mm)Insulation Layerÿÿÿÿÿÿÿ (mm)ÿÿÿÿÿÿÿÿÿÿÿÿÿ Outer tankThickness&Diameter&Height100Lí1.2/è37050í0.55/è470/h1110150Lí1.2/è37050í0.55/è470/h1520200Lí1.5/è47045í0.55/è560/h1320250Lí1.5/è47045í0.55/è560/h1620300Lí1.5/è47050í0.55/è560/h1870400Lí2.0/è60050í0.55/è700/h1630500Lí2.0/è60050í0.55/è700/h1920