Suburban Manufacturing's line of powerful furnaces provide superior, dependable heating in uniform cabinet sizes for installation flexibility. Specifications•Type: LP Gas•BTU Level: 30000 BTU•Stage: Single•Discharge Type: Bottom/ Side/ Top•Ignition Type: Direct Spark Ignition•Width: 17 Inch•Height: 7-1/2 Inch•Depth: 20 Inch•With Vent Assembly: Yes At Only 7-1/2 Inches High, They Can Be Easily Installed In Areas That Might Otherwise Be Left Unused Provides Maximum Heating Performance In A Ducted Unit, With Capacities From 20, 000 To 40, 000 BTUH | Suburban Mfg SF-30Q Direct Discharge Furnace, 30,000 BTU