Category: HVAC, Vacuum Pump Repair

Death, Vacuum Tube Contamination & Taxes: How to Diagnose and Clean One thing is for sure in the HVAC industry: at some point you will run into contaminated sensors… just like death and taxes, guaranteed!  If your chosen micron gauge uses thermocouple vacuum tubes, read on!  Let’s review the mechanics of thermocouple tubes. The inside of a thermocouple tube has two wires in the shape of an X, and measureable gas surrounds those wires.  The thermocouple element senses temperature  as the surrounding gas cools the thermocouple. Because the temperature of the wire is directly proportional to the amount of gas in

HVAC Repair and the Black Hole: Diagnosing Poor System Performance Ever been in the black hole of HVAC service calls: you’ve checked x, and y, and z…and still a call back?? Let us help you out of that dark, creepy place!  First, using a vacuum gauge during HVAC troubleshooting helps you to avoid the 4 common pitfalls of poor HVAC performance, which are: Half charged systems,  Over charged systems, System not clean and free of contaminants, and System is not leak free. How do you use a vacuum gauge to tell the status of your system and detect leaks and