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Podcast: HVAC School - For Techs, By Techs
Episode: Small System Vacuum Tip - Short 118
Description: In this short podcast episode, Bryan goes over one of his most valuable tips for pulling a vacuum on a small system. It can be very difficult to pull a vacuum on a small system, especially when you're dealing with a low-temperature application like a freezer. When you pull a vacuum, you're creating a low-pressure area that affects molecule behavior. So, you're creating a situation where the molecules push their way out of the system and into your vacuum pump. The low temperature and small tubing, especially capillary tubes, make this process exceptionally difficult. A very good...