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 4140-00-116-1022
NSN 5985-01-040-4184
NSN 6620-01-346-9340
NSN 5999-00-466-3226
NSN 5935-00-930-0066
NSN 5945-00-179-3827
NSN 6105-01-196-8440
NSN 5945-00-136-1877
NSN 6320-00-925-0558
NSN 6135-00-866-2311
NSN 6610-01-516-5120
NSN 5965-01-498-4451