| 摘要 |
A portable water heater unit is used to warm a source of ambient temperature water for field use. Warm or hot water is provided for food warming, making hot beverages, showering, and article washing purposes. The unit comprises a housing, a water heater mounted within the housing, a hot water holding tank mounted within the housing, an optional heat exchanger positioned in the hot water holding tank and a temperature control mixing valve operably associated with ambient and hot water lines. An ambient water inlet line leads from an external source of ambient temperature water to the water heater. A hot water line leads from the water heater to the holding tank. Water within the holding tank is directed to an external use source or is continuously recirculated back through the water heater and to the holding tank. An inlet line and an outlet line connected to the heat exchanger within the holding tank is used to supply hot water to make coffee, tea, soup or similar hot drink/food products. Hot water from the holding tank leads to the temperature control mixing valve where ambient temperature water can be mixed in. The water further is directed to one or more outlet connections whereby a hot or warm water use article such as a food warmer or shower is connected.
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