Patent ID: 7341007

Claim:
An assembly for use in a furnace system, said assembly comprising: (a) a burner assembly; (b) a pipe arranged upstream of said burner assembly; (c) a balancing damper arranged along said pipe downstream of a fuel source; said balancing damper comprising a housing having a passageway therein and an inner wall and an outer wall, and a plurality of blades arranged in the passageway, each blade having an inner edge and an outer edge disposed within said housing, at least one of the blades being spaced from the inner wall, said plurality of blades being movable between a closed position and an open position; and (d) a tower distributor arranged upstream from said balancing damper and coupled to said balancing damper so as to enable an output from said tower distributor to be supplied to said balancing damper, said damper housing further comprising an inlet section, said inlet section having a circular shape; a central section, said central section having a square shape; and an outlet section, said outlet section having a circular shape.