Originally Posted by cyclogenesis
So I have my regular propane torch I use for copper, how much hotter is a mapgas torch like the one used in the video? Can you do it with propane?
You do not need mapgas. Harris Stay-Brite 8 has a liquid temperature range of 430°F to 535°F, very close to standard plumbing solder. The flux you use does matter when you are soldering SS or Aluminum.
For Stainless you need to use Harris Stay-Clean Liquid Flux.