When replacing your existing unit consider upgrading to an energy-efficient unit to help save on your utility bills.
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\r\nCheck the following factors to ensure that you make the right choice:

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• A heating capacity of at least 40 gallons
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• The number of gallons your heater can heat in one hour
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• The height and width of the heater to ensure that it fits the space you have
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• Check the energy-efficiency ratings of the unit you plan to purchase
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The label on either side of your existing unit will reveal important information like the tank capacity, model, installation guidelines, serial number, wattage capacity, working pressure, and voltage.
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\r\nThis information will serve as a guideline when searching for a similar unit or an upgraded version

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更换现有设备时，请考虑升级为节能设备，以节省水电费。

检查以下因素，以确保您做出正确的选择:

• 加热能力至少有40加仑
  
  
• 你的加热器一小时能加热的加仑数
  
  
• 热水器的高度和宽度，以确保它适合你的空间
  
  
• 检查你计划购买的设备的能源效率等级

现有机组两侧的标签将揭示重要信息，如油箱容量、型号、安装指南、序列号、瓦容量、工作压力和电压。

此信息将作为搜索类似单元或升级版本时的指导方针