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 5915-01-433-6013
NSN 5930-00-001-5790
NSN 5855-00-323-0967
NSN 6685-01-365-2720
NSN 4140-01-302-2638
NSN 5985-01-408-5950
NSN 4140-01-634-0330
NSN 5915-01-649-9834
NSN 5945-01-634-0588
NSN 5998-01-383-5595
NSN 6610-01-140-8163
NSN 6645-01-261-6903