Have you ever replaced a valve assembly, yourself? Does this void any warranty that Carlisle may have on the torch? Do you know how much Carlisle charges to replace a valve assembly?
The question is not about how much quartz a torch can melt, necessarily, it is about how the torch (the face in particular) holds up to those conditions.
And, yes, traveling with a torch is very important to many people - especially teachers. That is why some people absolutely love to teach/travel with their GTTs. After a class, they are able to just pick up the torch and pack it away... no need to wait for it to cool down.
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