After heat exchange the hot water will be store in hot water tank on standby, and the exhaust after cooling, condensing discard directly.
经热交换后温度升高的热水进入热水罐待用，冷却、冷凝后的废气直接排放。
After heat exchange the hot water will be store in hot water tank on standby, and the exhaust after cooling, condensing discard directly.
经热交换后温度升高的热水进入热水罐待用，冷却、冷凝后的废气直接排放。
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