Importance

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Abstract

An outside balanced flue water heater including a water tank, a jacket surrounding the water tank, a combustion chamber containing a burner positioned adjacent the water tank, a flue extending from the combustion chamber through an upper portion of the water tank, a water inlet and a water outlet connected to the water tank, a substantially airtight exterior shell positioned around the jacket and forming a combustion air passageway between the jacket and the exterior shell, the combustion air passageway communicating with the combustion chamber to supply combustion air from the combustion air passageway to the combustion chamber, a combustion air inlet chamber positioned on top of the water tank and adapted to directly receive outside air, the combustion air inlet chamber communicating with the combustion air passageway, and a flue gas exhaust chamber mounted on top of the combustion air inlet chamber and adapted to receive flue gases from the flue and to directly exhaust flue gases, the flue gas exhaust chamber communicating with the flue.

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First Claim