Suburban Manufacturing's SFQ Series furnaces provide maximum heating performance in a ducted unit. Specifications•Type: LP Gas•BTU Level: 35000 BTU•Stage: Dual•Discharge Type: Side•Ignition Type: Direct Spark Ignition•Width: 17 Inch•Height: 7-1/2 Inch•Depth: 20 Inch•With Vent Assembly: No Designed For Interior Serviceability Easy To Install | Suburban Mfg SF-35VHFQ Direct Discharge Furnace, 35,000 BTU