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Fridge Compressor Corrosion - Stray Current?
I have a 4 year old Danfoss BD35F compressor-based refrigeration system with a thru-hull SP cooling unit. On inspection, I've discovered that the compressor's casing is severely rusted with large, thick flakes of corroded metal falling off. Even though the environment under the galley sink is not pristine, that amount of corrosion seems unreasonable.
Is it possible that damage like this has been caused by stray current? If so, is there an easy way to prevent this? And given the large amount of damage done so far, can anyone recommend a treatment for the casing that would stop any further spread?