Empire Innsbrook 27" Millivolt Control With On Off Switch, Natural Gas Vent Free Small Fireplace Insert 6000 6999 But we can assure you FyreStarter Electronic ignition system But we can assure you that the quality of the Touchstone™ Grand Elevate® will exceed the quality of any other cabinet you can find ) 1 2" Wall to Valve Inlet 6 3 16" Right Side to Valve Inlet 6 7 8" Center of Vent to Valve Inlet N A Valve Inlet to Floor Covering 2 11 16" Venting Wall Depth Minimum 4 1 2" Wall Depth Maximum 13" Vent Opening in Wall 6 1 2" Dia This unit installs as an insert inside an existing fireplace most of our appliances have the ability to be used in a power outage situation please see a local dealer for more information