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 6220-00-525-3195
NSN 6220-01-084-0287
NSN 6130-00-930-6030
NSN 5960-01-066-2300
NSN 5975-01-359-4020
NSN 2925-01-161-7440
NSN 5950-01-151-2581
NSN 6150-01-029-9756
NSN 5895-01-616-8800
NSN 5960-01-206-0743
NSN 7035-01-364-8454
NSN 6650-01-150-5457