SECONDARY AIR DISTRIBUTION SYSTEM FOR A FURNACE

摘要

A secondary air distribution for a furnace in which an housing is provided f or receiving air and a set of dividers are located in the housing for dividing the air passing through the housing into a plurality of streams. A set of dampers are dispos ed in the housing and are located relative to the dividers for controlling the flow of each of said streams. Additional dividers are provided for splitting each of the streams of air flow and an additional set of dampers are disposed in the housing and are positioned relative to the additional dividers for controlling the flow of each of the split stream portions to the modules.