Solar water heaters convert solar energy into heat, heating water from low temperatures to high temperatures to meet people's use of hot water in life and production. Solar water heater According to the structural form is divided into vacuum tube type solar water heater peace plate Solar water heater, vacuum tubular solar water heater mainly,
accounting for 95% of the domestic market share. Vacuum tubular household Solar water heater is composed of heat pipe, water storage tank and bracket and other related accessories, the conversion of solar energy into heat energy mainly rely on the collector heat pipe. The heat pipe uses hot water to float cold water to sink the principle, so that water produces microcirculation and reach the required hot water.