Importance

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Abstract

A warm air solid fuel furnace is disclosed that includes a firebox defined by a floor, opposing sides, a top baffle, a front door, and a rear wall, wherein the firebox floor is at least partially lined with fire resistant material. A primary combustion air flow path includes one or more holes through the front door. A secondary air flow path receives air from a front of the furnace and conducts received air along a first opposing side of the firebox, up the rear wall of the firebox, and into at least one tube having orifices, the tube located beneath the top baffle. A rear pilot air flow path receives air from the front of the furnace and conducts received air along a second opposing side of the firebox, up the rear wall of the firebox, and into at least one hole through the rear wall.

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First Claim