Suburban Manufacturing's line of powerful furnaces provide superior, dependable heating in uniform cabinet sizes for installation flexibility. Specifications•Type: LP Gas•BTU Level: 42000 BTU•Discharge Type: Bottom/ Side/ Top•Ignition Type: Direct Spark Ignition•Width: 17 Inch•Height: 7-1/2 Inch•Depth: 20 Inch•With Vent Assembly: No Maximum Heating Performance In A Low-Profile Design At Only 7-1/2 Inch 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-42VHQ Direct Discharge Furnace, 42,000 BTU