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 6240-01-204-1918
NSN 6320-01-513-9166
NSN 5990-00-660-8885
NSN 5998-01-017-5414
NSN 6645-01-212-9474
NSN 4140-01-483-1948
NSN 6645-01-124-6277
NSN 6620-01-126-7871
NSN 6320-00-225-7013
NSN 6650-01-617-2513
NSN 4140-01-254-2739
NSN 6320-00-360-1744