Just looking at your photos I noticed the XLR connections for your probes. Possibly there is a issue with using the wrong connectors for probes. I found this on the auberin website under connectors.
And we guarantee our welds for the life of the kettle. If they ever leak, give me a ring and we will fix it for free. We can weld steel, stainless steel, and aluminum. All welding is done with a (not cheap) Square Wave TIG welder.