Double-Tank Solar Water Heater

Double-Tank Solar Water Heater Materials of Double-Tank Solar Water Heater 1) Inner tank of the solar hot water heater: stainless steel--0.60mm. 2) Vacuum tube: QB-AL-N/AL-58-2000. 3) Outer tank: painted steel-0.4mm; stainless steel SUS304-0.4mm. 4) Frame: coated galvanized steel-1.5mm; stainless steel SUS430-1.5mm. 5) The material of insulation: polyurethane 50mm. 6) The reflector: aluminum component; AL99.85% surface oxidation. 7) Copper coil: ?12mm, thickness 0.8mm. Technical Parameters of Double-Tank Solar Water Heater Place of Origin     China     Model Number     TZ Price Terms     FOB, CIF     Brand Name     Sunrain& OEM Payment Terms     L/C at sight     Minimum Order     1 sets Supply Ability     3,000sets/month     Delivery Time     10 days Type     Area( ? )     Vacuum tube     Volume (liters)     Gross wet(kg)     20GP/ 40GP/40HC loading Qty(sets) ?(mm)     Length(mm)     Qty(pcs) TZ58/1800-20S     3.70     58     1800     20     200     71     36/68/72 TZ58/1800-24S     4.50     58     1800     24     240     79     26/56/60 TZ58/1800-30S     5.60     58     1800     30     300     89     22/46/52

heat pipe solar collector