Triple evac

So… there is a discussion on an HVAC fb page concerning triple evac. There are several saying that it’s not imperative to pull a triple, for various reasons. I was taught the nitro helps remove moisture and have always pulled a triple evac. I know this is a much better forum for answers so…

Do you triple evac? Why or why not???

Rookie Asked on March 8, 2018 in General Conversation.
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