A unit specifically designed to heat water in a storage tank by means of a coil that receives steam from another source, and, in addition is equipped with auxiliary electric heating element(s).
Classification: Instantaneous or storage water heaters, nesoi, nonelectric
NSN 5985-01-523-7444
NSN 6610-00-388-0094
NSN 6145-01-340-9993
NSN 4140-01-101-4454
NSN 6650-00-680-9595
NSN 6110-01-212-3344
NSN 6620-00-333-5503
NSN 5915-01-553-2327
NSN 5999-00-905-6936
NSN 6220-00-682-8292
NSN 6645-00-803-6417
NSN 5998-01-377-8500