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How (and Why) to Flow Nitrogen While Brazing
When I started in the trade, the idea of flowing nitrogen while brazing was nothing more than the punchline of a joke. Like pulling a vacuum with a micron gauge or proper recovery, it was a wink and nod proposition rather than a real practice. I've had to unlearn many bad habits since those early […]Read more
How to Properly Size a Dehumidifier
This tech tip was submitted to us by Tim De Stasio. You can read the original version on his website HERE. Tim will also be a panelist in the Dehumidification Hootenanny at the 2024 HVACR Training Symposium. Nikki Krueger will moderate, and Genry Garcia, Chris Hughes, and Chris Conway will be fellow panelists. If you’ve […]Read more
Receivers, which we sometimes call “liquid receivers,” are components that store refrigerant. You'll see it on everything from small self-contained refrigeration units to very large commercial and industrial systems. Many new techs who are used to residential air conditioning confuse receivers with accumulators. It's an understandable error, as they both contain liquid refrigerant. However, you'll […]Read more