Solar water heater system is a device that converts sunlight energy into heat energy, heating water from low temperature to high temperature to meet the use of hot water in people's life and production. Solar water heater systems are divided into vacuum tube solar water heater system and flat plate solar water heater system according to the structural form, mainly vacuum tube solar water heaters, occupying domestic market share. Vacuum tube household solar water heaters are composed of heat collecting tubes, water storage tanks and brackets and other related parts. The conversion of solar energy into heat energy mainly depends on vacuum heat collecting tubes. Reach the required hot water.