Residents are forbidden to use water to wash down paths and pavements, or to use a hose without an automatic shut-off valve.
禁止居民用水清洗道路和人行道，或使用没有自动断阀装置的水龙头。
2
Open vent needle valve and bleed air from hose. Then close vent valve.
开启排气针形阀，并从软管排放空气。然后关闭排气阀。
3
The only thing new to your existing system is the hose coming down from the batch heater, the batch connect valve, and the “T” connector at the Hot Out valve to tie it all together.
整个热水系统中只有从批量加热热水器引水的软管、连接阀、以及接在止热阀（the Hot Out valve）上用作贯通的三通是新添加的。