If water heater is full of hot water, open a hot water line at a faucet and allow all hot water to be flushed from the system.
If water heater is full of hot water, open a hot water line at a faucet and allow all hot water to be flushed from the system.
若热水器充满热水，则打开热水管道上的水龙头，让热水从管道内排出。