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Combustion Analysis w/ Jim Bergmann
In this episode Jim Bergmann does a deep dive into combustion analysis and covers everything you need to know to keep a furnace running safe and efficient
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Splicing Wires - Bad, Good, Better, Best
There are many acceptable methods for making a wire splice, and you need to consider many different factors when making a splice. Here are a few considerations. High Voltage vs. Low Voltage – If the connection is 24V or less, it USUALLY has fewer NEC (National Electrical Code) rules and regulations concerning how the connections are […]Read more
Why is 3/8" Liquid Line So Common? Liquid Line Sizing
You may have noticed that 3/8 liquid lines are generally the norm in equipment 5 tons and under. We went to a job recently where the system had a 1/2″ liquid line, and it got me thinking about the ramifications of going larger or smaller on the liquid line. Liquid Line Basics The liquid line […]Read more
What Should My Superheat Be?
The most common—and often most frustrating—questions that trainers and senior techs get asked sound something like this: “What should my ______ be?” or “My _____ is at ______. Does that sound right?” Usually, when the conversation is over, both the senior and junior techs walk away feeling frustrated because the junior tech just wanted […]Read more