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 ...

POWER AT HAND: Milwaukee Tool’s M18 Fuel 5 CFM Vacuum Pump is a cordless model that allows technicians to evacuate a line set without having to first locate a power source. (Courtesy of Milwaukee Tool ...

The Eco-5 5-cfm vacuum pump has a two-stage rotary vane pump designed specifically for HVACR service. Both 1/4- and 3/8-inch SAE inlet connections allow for flexibility. The unit has a 1/2-hp motor.

In principle, industrial vacuum pumps are merely compressors run with the inlet attached to the vacuum system and the outlet open to exhaust. In smaller sizes, compressors and vacuum pumps are often ...

Holley-type vacuum-secondary carbs are more forgiving compared with mechanically actuated double-pumpers; relatively few vacuum-secondary carb sizes can be made to work on a wide variety of ...