【Abstract】：When the solar energy market becomes more and more widespread, more and more people use solar water heaters worldwide, and the demand for solar water heaters is also increasing. At the same time, an affordable non-pressure solar water heater is loved by many families. The one-piece non-pr

Solar water heater is a kind of hot water equipment widely used in the family, which brings us a good water use experience. The indispensable step before using solar water heaters is fill water to the tank. So today I will introduce some methods and precautions for fill water of solar water heaters: