| 摘要 |
A method to increase fluid hydrocarbon fuel BTU input for a heating appliance (3) such as a furnace, and to increase its burner combustion intensity and thermal efficiency as well as to reduce the appliance's harmful stack emissions, by employing a device (9, 10) which moderately pre-heats and conditions low temperature fuel delivered to the appliance prior to combustion, by extracting heat from the appliance's fire box (7) or combustion area in order to deliver fuel to the appliance's burner nozzle (8) at a constant, pre-set operating temperature of between 37 degrees Farenheit and the fuel's vaporization temperature.
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