Make sure the replacement element has the correct voltage and wattage rating 确保所要替换的新加热元件具有正确的额定电压和功率。
2.
Replacement heating elements must be of the same style and voltage / wattage rating as the ones presently in the water heater 必须采用与本热水器额定电压/功率相同、款式相同的加热元件进行更换。