Gas instant water heater
专利汇可以提供Gas instant water heater专利检索，专利查询，专利分析的服务。并且PURPOSE:To prevent corrosion by condensed water on a heater body and a heat exchanger, by providing an electric heater that operates linking with hot water supply on the heat exchanger and the heater body of a gas instant water heater thereby making possible evaporation of condensed water on the heater body and the heat exchanger. CONSTITUTION:A water heater is ignited by turning on a pilot flame 8 and turning of gas supply cock 12 which supplies water to a water pipe 2 buried in the heater body wall and to a heat exchanging pipe 4. At the same time gas is fed into a main burner and is ignited by the pilot flame 8. The heater body, the heat exchanger fins 3 and a heat exchanger pipe 4 are heated by a flame 6 and hot water comes out through an exit B. The water condensed on the heater body 1 and the heat exchanger 3, 4 is completly evaporated by sheath heaters 13, 14 mounted on the heater body 1 and the heat exchanger 3, 4. Switch 15 that turns on and off the heater is provided on the gas supply cock 12 to keep the heaters turned on for preset duration of time.，下面是Gas instant water heater专利的具体信息内容。
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