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  • The advantage of the coaxial flue

    The advantage of the coaxial flue

    The burning of the boiler requires air and gas, which produce the high temperature flue gas.If the air temperature is low, some low-temperature air will be heated into high-temperature flue gas, causing heat loss and waste.When using coaxial flue, the high temperature flue gas has been heated in the... read more

    Jan 02,2020 News