The installation of unions in both the hot and cold water supply lines is recommended for ease of removing the water heater for service or replacement.
建议在热水和冷水管线上安装管接头，以方便热水器的维修或更换。
Turn the water off at the shutoff valves and remove the hot and cold supply lines running from the shutoff valves to the faucet.
关闭给水总阀，将总阀到水龙头间的冷、热水管拆除。
Check all supply lines and filters for obstruction and ensure that you have an adequate supply of water to the inlet of the pump.
检查所有供应管线和过滤器是否有故障，确保有足够的水供给到水泵进口。
Connect the cold water supply line and hot water outlet lines using elbows, nipples and unions as shown in the diagrams.
通过顶部玻璃纤维绝缘层可以连结管道和电源。使用如图所示的弯管、螺纹接头、管道接头连接冷水进水管和热水出水管。
Select a location accessible to water lines and power supply where the floor is level.
选择靠近水管和电源的水平地面放置热水器。
Select a location accessible to water lines and power supply where the floor is level.
选择靠近水管和电源的水平地面放置热水器。
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