Empire Tahoe 36" Millivolt Control With On/Off Switch, Natural Gas Direct Vent Deluxe Fireplace blue-flame-heaters It becomes an essential venting

It becomes an essential venting if you have super thick walls or other space challenges or restrictions

minimizing labor costs

Suitable for use with 24" Vail Vent-Free Gas Fireplace

Awaken your inner artist with a Loft Series Vent-Free Insert – with contemporary linear burner in a porcelain lined firebox that reflects the mesmerizing flame to create depth and visual interest from any angle

Empire Natural Gas to Propane Conversion Kit for GWT25W B-Vent Gravity Wall Furnace

Empire Tahoe 36" Millivolt Control With On/Off Switch, Natural Gas Direct Vent Deluxe Fireplace blue-flame-heaters It becomes an essential ventingA Direct Vent system uses two vent pipes. One draws air in from outdoors to support combustion. The other exhausts the by products of combustion to the outside. The two vent pipes may be concentric (exhaust pipe within a larger diameter intake pipe) or co linear (separate pipes of about the same size). Combustion takes place inside a sealed chamber with a glass front in the ? case of a fireplace. Room air circulates around the combustion chamber,