Vacuum hot water boiler,Oil Gas Boiler
2021-7-19u2002·u2002Features. 1.Our Boiler design adopt heat transfer, flow resistance technology,heat exchanger use high efficiency heat transfer material,it enlarged the heat-exchange unit heating surface and improved the heat transfer efficiency. 2.Safety and steady.Vacuum hot water boiler working under negative pressure,and it has six kinds protection founctions:
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