An apparatus designed to raise the temperature of a fluid by bringing it into proximity with another fluid of higher temperature so that heat transfer is effected by direct contact or by passing those fluids through pipe(s), tube(s), or coils which are submerged in a tank of hot water or steam which is supplied from an outside source. The fluid is never stored in this tank. Excludes air conditioning, electric fluid heaters, and refrigeration equipment.
NSN 5975-01-092-4122
NSN 6620-01-197-7665
NSN 5930-01-613-7205
NSN 5975-01-623-9889
NSN 5835-00-952-8049
NSN 5998-01-549-3264
NSN 5930-01-548-3353
NSN 5999-01-190-8043
NSN 5935-00-128-8728
NSN 2925-01-032-3814
NSN 6110-00-920-4855
NSN 5960-01-449-1310