Flat solar collector best sell(the latest product)

Our flat plate solar water heater : Separated solar water heater system(SPFS) Includes heat pipe solar collector (or U pipe soalr collector),pressurized water tank ,working station and expansion vessel(for closed loop only) Working station would include pump,controller and alol the otherasscessories .It's a complete package. Specification of solar collector: 1.Heater pipe material:red copper 2.Manifold material:aluminum alloy 3.Tube dimensions:1500/47mm or 1800/58mm 4.Insulation layer :rock wool 5.Best pressure:8 bar 6.Hail resistance:25mm 7.Copper heat pipe or U pipe for rapid heat transfer 8.Solar keymark approval Model Tank Capacity Collector Specifications Collector area Optional Electric Power Installation angle Tube diameter Lowest temperature Working pressure PYF06--80-FR 80L 2000×850×85 1.7 1500W 50 75° 16mm -50°C 0.6MPa PYF06-100-FR 100L 2400×1000×85 2.0 1500W PYF06-150-FR 150L 2400×1250×85 3.0 2500W PYF06-200-FR 200L 2400×1000×85×2 4.0 2500W PYF06-300-FR 300L 2400×1250×85×2 6.0 2500W PYF06-400-FR 400L 2400×1000×85×4 8.0 2500W PYF06-500-FR 500L 2400×1000×85×5 10.0 2500W