| 摘要 |
A boiler capable of simultaneously performing a heating operation and a hot water operation and readily controlling the temperature of the hot water. In the boiler primary heating water is heated by a burner in a main heat exchanger and is supplied to a place in need of heating to be used as heating water. Secondary heating water exchanges heat with the primary heating water in an instant heat exchanger and is supplied to a place in need of hot water to be used as hot water. The boiler includes a flow regulator so that the primary heating water is supplied to the place in need of heating after flowing through the flow regulator which regulates flow depending on heating load, and is subsequently supplied to the instant heat exchanger after regulation by the flow regulator depending on hot water load.
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