1,300LNon-pressure Flat plate solar water heater one in all 2,OEM & ODM Certified factory since 1997 ... ,ISO9001,2008,SRCC,CE Technical data of 150Liters Non-pressure flat plate solar water heater ModelCP-NPSWH150Water Storage TankSystem Circulation TypeNon-pressurized open loop ... Cover (Φ22mm)Connection fittingsΦ22mm*G3/4" Integrated Non-pressure Flat plate solar water heater ,300Liters Capacity