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I'm starting a new thread to show this restoration, rather than continue to use the "What Heater fits..." thread I started when I was trying to find a heater. I'm not going to move the content related to the restoration, but you can still see it here: The beginning of the project to restore the heater is there, I'm picking it back up with the rust removal of the rest of the box and associated parts. Today I did the first half of the main box. I again used a power supply and a bucket of water with Washing Soda it in. The details can be seen on the previous thread. Nothing new there. I am using the currently limiting resistor this time of course to avoid damaging my power supply, again. Due to other resistances in the circuit, namely I didn't bother to get a perfect connection from my negative wire to the metal, the current was about 1.36A. That's based upon there being a 6.82ish volt drop across my 5-Ohm resistor. Ohms law. I didn't take a picture of the metal before, but I do have the other side and the first part I did today. I left it in the bath for around 3 hours. There is a very minor amount of rust in some places. Most people might just use a spray over rust type paint, but I'm going to put it back in the bath tomorrow to finish the job. Looking at these pieces to take pictures, I see the worst part is the ones I've already done. I still wouldn't paint over this rust. A side benefit of the electrolytic rust removal, is that is take all the original paint off too