A unit specifically designed for heating water by a direct fired method, utilizing a gas fuel burned in a combustion chamber inclosed within itself. May be incorporated with a tank as an integral or as a separate unit for storage of the water so heated.
Classification: Instantaneous or storage water heaters, nesoi, nonelectric
NSN 5930-00-247-3410
NSN 6620-01-305-0412
NSN 5945-01-089-7649
NSN 4140-00-839-4911
NSN 6220-00-567-4114
NSN 5895-00-503-4984
NSN 5925-00-926-0863
NSN 5905-01-624-8231
NSN 5895-01-583-3270
NSN 6150-01-287-9643
NSN 5945-01-444-0971
NSN 6685-00-844-9253