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 5950-01-606-9819
NSN 4140-00-612-9727
NSN 5999-00-158-5118
NSN 5920-01-484-7987
NSN 5855-00-560-0110
NSN 6130-01-384-3141
NSN 5895-00-578-8424
NSN 7035-00-267-5424
NSN 5996-01-431-7013
NSN 2925-00-740-7029
NSN 6620-01-197-0386
NSN 4140-01-319-0459