Empire Innsbrook 34" Large Direct Vent Clean Face Millivolt Control, Natural Gas Traditional Fireplace Insert w40.5 ” What does this mean

” What does this mean

40 RPM 1580 CFM (@0

River Rock Media

With the RC400 remote control

Door aperture is 24

Empire Innsbrook 34" Large Direct Vent Clean Face Millivolt Control, Natural Gas Traditional Fireplace Insert w40.5 ” What does this meanA 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