The anode rod should be removed from the water heater tank every 3 years for inspection. If the rod is more than 50% depleted, the anode rod should be replaced.

• 每隔3年时间,就要把阳极棒从热水器内胆上拆卸下来进行检查。如果阳极棒消耗超过50%25,就应该更换阳极棒。