Furnace; SF-FQ Series; LP Gas; Model Number SF-25FQ; 25000 BTU; Maximum Ducted; 7-1/2 Inch Height x 17 Inch Width x 20 Inch Depth; Automatic Direct Spark Ignition; Do Not Require Exterior Access Doors SF-FQ Models are designed for interior serviceability with a front (inside) gas connection and only a small vent terminal on the coach exterior, permitting installation up to 9 inches from the wall. Since no exterior access door is required, the SF-FQ is aesthetically appealing and a more economical installation choice. For design flexibility, all SF-Q Models feature identical cabinet dimensions and feature quiet, multi-ported stainless steel burners, sealed forced-draft combustion, automatic direct spark ignition and low amp draw. Type: LP Gas BTU Level: 25000 BTU Stage: Dual Ignition Type: Direct Spark Ignition Width: 17 Inch Height: 7-1/2 Inch Depth: 20 Inch With Access Door: No