I used a very similar RCBS promelt furnace for decades, it worked fine, until about 4 years ago when it just stopped working
I looked for replacement parts at the time and was told they were no longer available,
I purchased a lyman furnace and its working ok, they go on sale occasionally for about $245.
I probably cast many more bullets than most people do, and either furnace works great.


https://www.midwayusa.com/product/1010225661?pid=267665