Be sure the cold water supply to the heater is turned off.
确保供应到热水器的冷水已经关闭。
Phase change heat pump water heater is a new style equipment for hot water supply.
相变式储能热泵热水器是一种新型节能热水供应设备。
The water heater and electrical supply are properly grounded.
热水器和电源供应都有适当的接地。
Water heater can't fire solution: open air supply, air intake filter.
热水器打不着火的解决方法：开启气源，整理进气过滤网。
Water heater can't fire solution: open air supply, air intake filter.
热水器打不着火的解决方法：开启气源，整理进气过滤网。
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