Empire 22" Small Spirit Cast Iron Direct Vent Gas Stove Finish:Porcelain Black High-quality glass door assembly for

High-quality glass door assembly for Heat N Glo and Quadra-Fire fireplaces

and perfect compatibility with Heat N Glo gas stoves

Optimal Size: With a 3/8" size

Its main technical advantages include precise and reliable thermocouple actuation

Energy Efficiency: By automating the ignition process

Empire 22" Small Spirit Cast Iron Direct Vent Gas Stove Finish:Porcelain Black High-quality glass door assembly forOVERVIEW 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