Single-Stage 4.5CFM Vacuum Pump, 1/3HP 5Pa 110V Air Vacuum Pump for R12 R22 R134a R410a, Rotary Vane for HVAC/AUTO AC Refrigerant Recharging, Degassing Wine, Milking Cow

What is a single-stage 4.5 CFM vacuum pump for HVAC service, refrigerant recharging, and degassing?
✔️ 4.5 CFM rotary vane pump, 1/3 HP copper motor, 110V, 37.5 micron ultimate vacuum, 1/4" flare + 1/2" ACME ports, 12.8 oz oil capacity, rugged heat-dissipating body

This single-stage vacuum pump is designed for HVAC/R service, automotive refrigerant recharging, degassing resin, oil, and wine. Its reinforced aluminum alloy housing provides efficient heat dissipation and chemical resistance. The oil fill port and oil level window simplify maintenance, and the 1/4" flare and 1/2" ACME ports enable quick connections to common systems.

✅ 4.5 CFM flow for fast evacuations in R12, R22, R134a, and R410a systems.
✅ 1/3 HP all-copper motor delivers reliable performance at 110V/60Hz.
✅ 1/4" flare and 1/2" ACME intake ports for quick hookups.
✅ Reinforced aluminum alloy housing provides efficient heat dissipation and chemical resistance.
✅ Oil capacity 12.8 oz with an oil level window for easy maintenance.
✅ Anti backflow and oil-mist exhaust separation reduce pollution and extend pump life.
💡 What is a vacuum pump used for in HVAC and industrial settings? Here's a quick overview. - Evacuating air and moisture from sealed refrigeration and air conditioning systems before recharge. - Degassing resins, oils, and solvents in vacuum chambers. - Supporting vacuum packaging, degassing wine, and other industrial processes. This handy tool helps you seal systems faster and maintain peak performance.