Desa WA50D is a portable heater with a BTU rating of 50,000. It is suitable for use in well-ventilated areas and can be powered by a standard 115V/60Hz electrical outlet. The heater features a simplified solid-state control system that automatically shuts off the heater if it fails to ignite or if the flame goes out during operation, ensuring safety. It has a 4.5-gallon fuel tank and a fuel consumption rate of 0.45 gallons per hour.