Vakuumröhre Solaranlage

solar system outer tankstainless steelinner tankfood gradesus304-2B stainless steelheat insulationpolyurethane foam, with 55 thicknesssupport framestainless steelpatterninflow styledaily efficiency≥55%(≥42% in winter)delively lead time10-15 days for a containerwarranty5 years Advantages: 1.Highly efficient absorber of high performance with daily average efficiency over 50%. 2.Highly efficient insulation with polyurethane foam. 3.Simple structure,easy to assembly ang install, diffuse flat plate reflector can be assembled easily with its module structure. 4.Can be used all year around in the cold climate. 5.Can be used together auxiliary eletric boost. 6.Long service life, can be used as long as 15 years. 7.With controller or assistant tank, can feed water automatically.