The unique Loft Series Fireplace includes a Loft burner in a compact system This versatile unit installs as a zero clearance vent free fireplace or as an insert in an existing fireplace For a more traditional look choose the simple elegant black metal frame with glass panel This four sided frame with its 1 3 4 inch depth provides the perfect transition to drywall tile or other material Specifications . Maximum BTU Output 28 000. Min Max Natural Gas Inlet Pressure 4 5 14 WC. Min Max Propane Gas Inlet Pressure 10 8 14 WC. Actual Viewing Area Size 28 7 8 W x 17 5 8 H. Valve Type Intermittent Pilot. Minimum Fireplace Dimensions 32 25 x 22 12 x 15 18 in