solar home system

Description

Technical Specifications 1、Inner tank water shell is made of SUS***2B food grade stainless steel plates, outer tank water shell is color-galvanized steel sheet(color can choose your requests). 2、Heat insulation of water tanks adopts polyurethane foam, thickness is *5mm. 3、The tubes and supports are adjustable, power bearing is average, and can assure the vacuum tubes to use for long time. 4、Whole glass vacuum tubes adopt super hard borax. 5、Absorb rate: about *3%, thermal radiation rate: about 6%(**0 ℃) 6、Resist *5mm hail, using life can last *5 years. 7、Temperature when exposed to sun without water:**0℃ï&frac*4;Œ2.5hours to boiling if using single tube. 8、If you use electrical appliances to aid heating, to swithch off the power supple before boiling. 9、To test the water temperature before using, in order to avoid scalding.