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 5965-01-646-1122
NSN 6130-01-197-7397
NSN 6320-01-021-6633
NSN 6220-00-369-5422
NSN 5990-01-482-5950
NSN 5975-00-244-0706
NSN 6650-01-315-4043
NSN 7035-00-870-0290
NSN 6150-01-433-2490
NSN 5855-01-177-4751
NSN 5855-01-412-9449
NSN 6620-01-595-2113