Liquid Fuel Water Heater

An item designed for heating water by a direct-fired method, using a liquid fuel burned in a combustion chamber enclosed within itself. It may be capable of using more than one type of fuel, such as gasoline, oil, kerosine, or jet fuel. It may be incorporated with a tank as an integral or as a separate unit for storage of the water so heated. For items that use liquefied petroleum gas, see heater, water, gas. Excludes sidearm heaters.