Product Manual
HeatMax II Furnace Installation and Operation Manual
17
Use 45° elbows where possible, rather than 90° elbows.
Alternative installations with 90° elbow or tee.
5 Hot air distribution and air return system
The Drolet furnace is designed and equipped with a hot air distribution plenum that may
receive 6 to 10, 6" (152 mm) diameter round ducts.
The installer is responsible of the performance of the distribution ducts and the air
return system. It will have a direct effect on the ability of the blower to distribute
heat efficiently throughout the house. The number, size and length of the ducts of
the distribution system and return air will vary depending on the configuration and
characteristics of each house.