Well-known industry author and instructor Jim Johnson is offering a new video for technicians who want to sharpen their troubleshooting skills. "This HVAC training video program, is available in DVD ...
In this HVAC Training Video, I Show 10 Different Hose and Vacuum Pump Setups to Dehydrate New Refrigerant Tubing Before Charging! Vacuum and Standing Vacuum Tests are Performed on Air Conditioners and ...
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