Solar Water Heater1.Warm place available2.the most competive price3.Beautiful design4.Best service and high qualityÿWorking principle:High quality vacuum tubes absorb sunshine and heat cold water in the vacuum tubes. According to the density difference of cold and hot water, when absorbing sunshine, cold water in vacuum tubes turning to hot water rises to tank, meanwhile, cold water in tank sinks to vacuum tubes. That is the circulation in this type of solar water heater. The whole system is always circulating continuously.ÿSpecification:1. Inner tank:SUS304-2B food grade stainless steel,Thickness:0.4-0.7mm2. Outer tank material: SUS304-BA stainless steel,0.4-0.5mm3. Bracket: stainless steel thickness:1.5mm4. Vacuum tube; 47mm/58mm diameter, 1500mm/1800mm length5. Insulation layer: 50-55mm polyurethane foam6. Inner tank dia.:320/360/380mm7. Obliquity of the bracket: 17/20/22/25/30/38/45 degree8. Assisstant water tank or digital controller optional.9. Back-up electric heater potional10. Heat preservation: 72-80 hours11. Inlet ,outlet are welded12. Capacity:90-400L13. Quality guarantee:6 yearsÿÿModel list:ÿModelÿVacuum tubeÿOuter tank DiaÿWater CapacityÿAbsorbe areaÿsq.m.ÿPersonÿTankÿVacuum tubeÿTotalÿJW47-15ÿè47mm*1500mm*15ÿ420mmÿ90Lÿ19Lÿ109Lÿ0.83ÿ1–2ÿJW47-16ÿè47mm*1500mm*16ÿ420mmÿ95Lÿ21Lÿ116Lÿ0.88ÿ1–2ÿJW47-18ÿè47mm*1500mm*18ÿ420mmÿ106Lÿ23Lÿ129Lÿ0.99ÿ1–3ÿJW47-20ÿè47mm*1500mm*20ÿ420mmÿ120Lÿ——ÿ—ÿ1.05ÿ2–3ÿJW47-24ÿè47mm*1500mm*24ÿ420mmÿ140Lÿ——ÿ—-ÿ1.26ÿ2–3ÿJW47-26ÿè47mm*1500mm*26ÿ420mmÿ151Lÿ——ÿ—-ÿ1.365ÿ2–3ÿJW47-30ÿè47mm*1500mm*30ÿ420mmÿ174Lÿ——-ÿ—–ÿ1.575ÿ2–4ÿJW47-36ÿè47mm*1500mm*36ÿ420mmÿ210Lÿ——-ÿ—-ÿ1.89ÿ2–3ÿÿÿJW58-12ÿè58mm*1800mm*12ÿ470mmÿ103Lÿ32Lÿ135Lÿ1.0ÿ2–3ÿJW58-16ÿè58mm*1800mm*16ÿ470mmÿ136Lÿ43Lÿ179Lÿ1.28ÿ2–3ÿJW58-18ÿè58mm*1800mm*18ÿ470mmÿ152Lÿ48Lÿ200Lÿ1.44ÿ2–3ÿJW58-20ÿè58mm*1800mm*20ÿ470mmÿ168Lÿ54Lÿ222Lÿ1.6ÿ2–3ÿJW58-24ÿè58mm*1800mm*24ÿ470mmÿ200Lÿ64Lÿ264Lÿ1.92ÿ2–4ÿJW58-30ÿè58mm*1800mm*30ÿ470mmÿ250Lÿ80Lÿ330Lÿ2.4ÿ2–5ÿJW58-36ÿè58mm*1800mm*36ÿ470mmÿ300Lÿ95Lÿ395Lÿ2.88ÿ4–7