The potablewatersystem 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 potablewatersystem.
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-potablewater 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.