#triple evacuation

Tech Tips:

Two Tips for Tough Vacuum Jobs
In the last year or so, I have had a couple of puzzling experiences related to pulling a vacuum. These instances have left me with questions and clues where I thought I had given up on understanding a certain vacuum situation. Typically, if I’ve had a hard time achieving a proper vacuum, I would be […]
Read more
Triple Evacuation and Nitrogen FACTS
This article was written by longtime contributor and RSES CM Jeremy Smith. Thanks, Jeremy! Nitrogen doesn’t absorb moisture like many techs think that it does, and I think that we, as technicians, need to reevaluate the reasons for the “triple evacuation” process. OK. Hold on, now. Put down the pitchforks and torches, and give me […]
Read more

Users with Tag #triple evacuation

    loading

    To continue you need to agree to our terms.

    The HVAC School site, podcast and tech tips
    made possible by generous support from