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

Triple EVC does help remove moisture by giving the moisture somewhere to “hide” the moisture will get between the nitrogen molecules and let it “ride out” easier. As others have said, if the system was kept clean and dry, it isn’t a huge help.

Super Tech Answered on March 9, 2018.
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