US Army, Technical Manual, TM 55-1905-223-24-7, UNIT, INTERMEDIATE DIRECT SUPPORT AND INTERMEDIATE GENERAL SUPPORT MAINTENANCE INSTRUCTIONS WASTE HEAT EVAPORATOR, (WHE), FOR LANDING CRAFT UTILITY, (LCU), (NSN 1905-01-154-1191), 2008
Scope. The scope of this manual is as follows:
a. Type of Manual. Unit, intermediate direct support, and intermediate general support maintenance instructions.
b. Model Number and Equipment Name. HJ20C Waste Heat Evaporator, installed aboard the LCU 2000 Class watercraft.
c. Purpose of Equipment. The Waste Heat Evaporator converts seawater into potable water.