In this article I’ll explain to you what a Direct Vent System is. A Direct Vent System is a chimney or an exhaust pipe with two parallel flow channels (double-pipe flue). The hot exhaust gas of the fireplace is discharged over the inner channel and fresh air supplies the heater simultaneously with combustion air over the outside channel.[Read more…] about What is a Direct Vent System?
You are here: / Archives for direct vent
Last updated by Martin Schlobach at .