Quote Originally Posted by Conditor22 View Post
It looks like the valve goes through the burner, like you, I don't see how he triggers the valve
Yes. the pour tube does go through the burner. I did this and made the tube out of brass so it would stay hot and flow. That is the only complaint I have with my RCBS Pro Melt is the steel pour tube is the last thing to heat up. I keep a micro torch handy to quickly remedy this problem.