Each water heater contains at least one anode rod, which will slowly deplete while protecting the glass-lined tank from corrosion and prolonging the life of the water heater.

• 每台热水器都配置至少一根阳极棒，在保护玻璃内衬的内胆免受腐蚀，并延长热水器的寿命过程中，阳极棒也在缓慢的消耗。