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 ...
We may receive a commission on purchases made from links. HVAC professionals need a good vacuum pump to evacuate air, moisture, and contaminants from refrigerant lines before recharging older systems ...