RE: 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???

Trick Rookie Asked on March 8, 2018 in General Conversation.
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5 Answers

I’ll quadruple evac if I have to, though it rarely comes to that. The micron gauge will tell you when the system is dry and tight. Typically one evac is sufficient.

Super Tech Answered on March 13, 2018.
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