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Overall walk-around of the fuel additive blender unit's heater assembly.

Picture 3 of 4.

This would ordinarily be mounted around the FABU to keep the FABU's Oronite additive warm enough to provide proper lubricative properties, guarding against the cold of the liquid oxygen.

After being exposed to the elements for some 50 years, the heater assembly's normal bright red color has faded to almost a pink color.

 
Fuel additive blender unit (FABU) heater assembly from H-1 Engine Turbopump from Cold Calibration (Post Dismantling) at Marshall Space Flight Center.
Time picture taken Tue Sep 16 08:42:16 2014
Location picture taken Building 4205
Marshall Space Flight Center
Huntsville, AL
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