This model employs fully evacuated glass tubes as solar collectors to capture and convert sunlight into thermal energy The vacuum tube layer coating features a distinctive combination of high absorption and minimal which varies, Emittance rates with the density of hot water With both cold and a circulation, Hot water system is established within the tube, Allowing hot water to rise naturally while cold water descends The water stored in the tank will be warmed using this natural source circulation. 150 liter, 15 Inner tank made made with high-quality 304-grade featuring a, Stainless steel 0. 4mm thick outer tank also crafted from stainless steel 304 360mm/460mm polyurethane foam tank width, 50mm triple-target vacuum tube, 58/1800mm stainless steel construction steel frame