Dometic 38359 Furnace; DFL Series; Model DFLD40111; LP Gas; 40000 BTU; Single Stage; Bottom Discharge; Large Size; 12 Volt DC; 16-1/2 Inch Width x 9 Inch Height x 20 Inch Depth; Access Door And Thermostat Sold Separately; Existing Cut Out Should Be Measured To Ensure The New Dimensions Will Fit.  Attributes BTU Level: 40000 BTU Discharge Type: Bottom Type: LP Gas Stage: Single Ignition Type: Electronic Ignition Width: 16-1/2 Inch Height: 9 Inch Depth: 20 Inch With Vent Assembly: No With Access Door: No Marine: Yes   Product Description Designed for easy maintenance and superior air diffusion. Compact, it is convenient to install. Dometic's large Mojave furnace is now equipped with a durable stamped steel door designed to last. Features & Benefits Low-Profile And Compact Design Quiet Operation Due To Reduced Air Turbulence Horizontal Or Vertical Configuration For Flexible Installation 12 V DC Powered Unit Limited 2 Year Warranty