Furnace efficiency tuning device
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United States of America Patent
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Aug 19, 2014
Grant Date -
Jun 5, 2014
app pub date -
Dec 4, 2012
filing date -
Dec 4, 2012
priority date (Note) -
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Abstract
A gaseous fuel fired furnace having a vapor condensing flue gas vent conduit, a flue gas flow restrictor disposed in the vapor condensing flue gas vent conduit having a flue gas upstream side and a flue gas downstream side, and a condensate bypass conduit extending around the flue gas flow restrictor having a condensate inlet in fluid communication with the flue gas downstream side of the flue gas flow restrictor and a condensate outlet in fluid communication with the flue gas upstream side of the flue gas flow restrictor.
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