Guys, thank you all for posting your advices, warnings and experience on safety issues. I had my own weird case with HH on 1lb canister. One day I finished torching for the day and turned off the torch. The flame went off and soon I left. Believe it or not, the next morning I found that my HH still hot to touch though no any flame visible. I tightened up the torch regulator knob really hard and soon it started to cool down. So no hoses, just canister with HH. But it seems like the tiny flame was still burning inside HH all night !
I am researching for a safe set up over and over now. I want to keep it simple but safe, mainly not because of $ but the simpler it is the less might go wrong.
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