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1·The potable water system consists of a water tank, quantity indication, pressurization components, and distribution tubing.

饮用水系统由一个水箱、流量指示器、增压组件及分配管道组成。

2·Series 709 Double Check Valve Assemblies are designed to prevent the reverse flow of polluted water from entering into the potable water system.

系列709双止回阀总成适用于防止受到污染的水回流进入到饮用水系统中。

3·Watts Series ET non-potable water expansion tanks may be installed in a tee or any other suitable tapping in the heating system and can be installed in a vertical or horizontal position.

美国瓦茨系列et非饮用水膨胀罐可以安装在一个T形管或供暖系统上任何其他适合的连接端口上，可以垂直安装或水平安装。

4·Potable Water, Wastewater, and Sludge treatment technology and system management;

饮用水、污水和淤泥处理技术和水系统管理。

5·A flow meter in the potable water line feeds information to the control system which controls the pump speed to control ratio.

饮用水管道中的流量计向控制系统传送信息，控制系统控制泵的速度以控制比率。

6·This unit may NEVER be connected to any existing heating system or component (s) previously used with a non-potable water heating appliance.

不要把本款热水器与任何原有的非饮用水加热系统或加热装置相连接，以免有毒化学成分进入本款热水器。