Empire 40" Loft Small Direct-Vent Gas Fireplace Insert (20,000 BTU) Ignition Type:Intermittent Pilot for ambiance during every season

for ambiance during every season

Designed for the ZDV3318 series fireplaces

Number of Logs: 15

Excess water lowers the strength of the bond and increases the time needed to set

Empire 40" Loft Small Direct-Vent Gas Fireplace Insert (20,000 BTU) Ignition Type:Intermittent Pilot for ambiance during every seasonOVERVIEW A 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