The Contour Burner on Deluxe Tahoe models designed specifically to complement the log set produces a natural dancing flame. The large heat-resistant, tempered glass window provides an unobstructed view of the hand-painted log set.Blower MillivoltBTUs: 20000 Depth: 16 Fuel Type: Liquid Propane Gas, Natural Gas Size: 36Consult your local building code agency, prior to installation, to ensure compliance with local codes-including permits and inspections.