RV Furnace Excalibur 8500 IV 30,000 BTUs 8.2 Amps  37636 The Excalibur 8500 IV series furnace has been redesigned to be more efficient and quieter with a new burner and blower assembly. The new design has minimized the turbulence in the blower housing. This removed the annoying frequency spikes, and the overall noise with an increase in the airflow. The compact size, low profile, lightweight construction and vertical installation option enhance the space utilization possibilities and furnace placement flexibility. A flexible adapter kit makes bottom discharge installation easy for both new and replacement applications. Depth (IN): 18 Inch Weight: 28 Type: LP Gas BTU Level: 30000 BTU Stage: Single Discharge Type: Bottom Discharge Ignition Type: Direct Spark Ignition Electronic Ignition Width (IN): 16-1/2 Inch Height (IN): 7-3/8 Inch With Vent Assembly: Yes With Access Door: NoFeatures:Compact Size, Low Profile, Lightweight ConstructionMore Efficient And Quieter With A New Burner And Blower AssemblyNew Design Has Minimized The Turbulence In The Blower HousingRemoves The Annoying Frequency Spikes, And The Overall Noise With An Increase In The AirflowVertical Installation Option Enhance The Space Utilization Possibilities And Furnace Placement Flexibility