Empire Spirit 27" Intermittent Pilot Control With On/Off Switch, Propane Gas Direct Vent Medium Steel Stove d11 Vented Gas Log Set

Vented Gas Log Set

but be careful

Made for use with Superior VRL4543 or DRL4543 gas fireplaces

Electronic ignition models include a battery backup—still ignites and heats during a power outage

Empire Spirit 27" Intermittent Pilot Control With On/Off Switch, Propane Gas Direct Vent Medium Steel Stove d11 Vented Gas Log SetA 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, often