Солнечные водонагреватели

solar water hater panel: 1.reliable,efficient,twin-glass evacuated tubes 2.red copper heat popes for rapid heat transfer 3.attractive design,standard frame suitable for pitched roof or flat roof 4.significant advantages over flat plate 5.easy plug in installation 6.improves the environment and save your fuel cost. 7.domestic and commercial use ,sidite solar collector is ideal for both domestic and commercial use,and is scalable to your exact needs.this allows us to be highly competitive. model:150L,200L,260L,300L,400L,500L Material: flat panel:copper material,cooper cover coating of blue titanium which made in germany; base plate of panel:marine-grade H3004 Aluminum glass of panel:special glass for panel with ANS1297-1-1975,BS6206A AND JIS R3206standards,toughness with AS2208-1978 and federal standards of united states panel insulation:bottom with fiberglass insulation water tank:polyurethane foaming,color steel plate,inner tank stainless steel workstaion:circulation pump rs-15/6(wilo) ,controller SR868C8,expansion tank