Empire 42" Tahoe Premium Direct Vent Gas Fireplace Ignition Type:Millivolt - Blower Q: How often do I

Q: How often do I need to replace the refractory

A: While the Siemens VMP42

MFR #: VMP42

SKU: SKY-1001-A-RX

Empire 42" Tahoe Premium Direct Vent Gas Fireplace Ignition Type:Millivolt - Blower Q: How often do IOVERVIEW 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