Brian, after some thought, my suggestion didn’t sound so brilliant. It looks like what you have is working. The inductor is a good thing, and 68,000uf is quite a lot of storage. I guess modern solar panels are fairly rugged if they survive direct connection to a water heater element. Lately my welding skills have been shown to be inconsistant. I am good at melting random holes in a lawn mower deck attempting repairs. We will see how long that repair holds!