... years warranty prompt delivery CE,CCC, ISO 9001 Split solar system, solar heater Detailed Product Description:split pressurized solar heating water ... Pipe size: 3/4" threaded (male) Tube Material: Borosilicate Glass Coating of Glass Absorber: AI-N-AI, Copper, Stainless Steel Heat ... (Bar): 6 Warranty: 5 Years Split pressurized solar water heater system