The four feet of the solar water heater are fixed with cement, which can block several winds.

12. Cement: powdery hydraulic inorganic cementing material. The solar water heater adopts the hot-dip galvanized sheet bracket, which can resist the severe weather with strong wind of Grade 8, while the four legs of the solar water heater are all fixed with cement, which can block the strong wind of Grade 12, and is suitable for the humid climate of the island city, and the service life of the whole bracket can be guaranteed to be above 15. Solar water heaters are divided into vacuum tube solar water heaters and flat plate solar water heaters according to their structural forms, with vacuum tube solar water heaters as the main one, accounting for 95% in China.