solar energy water heaters

Tianyun solar water heaters-double vacuum evacuated tubesspecification: Inner tank: Food grade SUS 304-2B stainless steel outer tank: Tianyun high quality Galvanized steel/Color steel, which can avoid light pollution (stainless steel usually has this problem). Other advantage: dampproof, abrasion-proof, corrosion-resistant, convenient to clean, good sealability Specification: D58mm x 1800mm double vacuum evacuated tubes Advantages: high heat collecting efficiency than normal tubes, quick start and it can collect heating though in cloudy days; high pressure bearing because of the good seal structure; freeze proof, there isn't any water in the tubes, so it will notfrost crack Insulation: Tianyunpolyurethane, great sealing and heat insulation performance The quantity of tubes: 24tubes (also have 12,15,18,20,30 tubes, or according to your requirements) EvacuatedTube: Glass: 9 Strong ability to resist hailstone, wind and snow: as high borosilicate 3.3 high hardness glass is adopted, it has advantages of high light transmittance, low expansion rate and low emission rate. The whole tubes: Heat pipe evacuated tubes in 100mm diameter, which has higher heat collecting efficiency than other kind of evaucated tubes. There isn't any water in the tubes, so don't worry about the tube broken in winter. It can work in any weater and any conditions including rainy & cloudy days, extremely cold conditions, like -40oC. Net water tank capacity: 190L User numbers: 4-7people Advantages: High heat-collecting efficiency with different choice and price. And Tianyun brand means: high quality and competitive price. Welcome your any inquiry.This type with our patent structure of bracket and tank which can resist strong wind. Our company has passed ISO9001-2000 quality management system certification and ISO14000 Environmental Management System, we also get CE certifcate which can guarantee our product quality.And we have professional team which can give you the bestafter-sale service.If you need more details or have special requirements, please contact with Kathy.