Drain out 5 gallons of water from the drain valve at the bottom of the heater.
从热水器底部的排污阀排出大约5加仑的水。
The pump has simple structure and is convenient in maintenance, which can drain without bottom valve and achieve the goal of high-efficiency and energy saving.
该泵结构简单、维护方便，可实现无底阀排水，达到高效节能的目的。
The pump has simple structure and is convenient in maintenance, which can drain without bottom valve and achieve the goal of high-efficiency and energy saving.
该泵结构简单、维护方便，可实现无底阀排水，达到高效节能的目的。
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