Quote:
Originally Posted by NeilBlanchard
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Also known as "American valve" or pin valve..
If there is a button on top that you can press and release to control the flow
of the R410A, then I'll bet there is a pin valve under there..
Kinda like a propane torch tank..
I look at those directions and it occurred to me, that any Air that was inside the hose,
might well end up inside your AC system.. That can't be good..