unpressuried solar water heater

الوصف

The products we manufacture are high quality product with superior material. The outer tank material is SUS****2B stainless steel the thickness is 0.*1mm , the inner tank material is SUS**6 stainless steel the thickness is 0.5mm.between the two layer it is **1B polyurethane , which is without F so you can use and set your mind with rest. the frames we use are also stainless steel so it is good looking and very strong, the thickness is 1.5mm which can understand up to *0 grade wind. the tube we choose is three target tubes , which is high-efficiency when the temperature is above*5 it will work wether there is the sun in the sky, and it will withstand low temperature as low as*0 below zero.and the vacuum tube degree is 5****3 so its absorption >0.*8