VEVOR Vacuum Pump 3.5 CFM 1/4 HP Single-Stage Rotary Vane — 5 Pa Ultimate, SAE/ACME Ports

This vacuum pump combines a 1/4 HP motor, 3.5 CFM displacement and a 5 Pa ultimate vacuum to remove moisture and non-condensables from air conditioning, refrigeration and resin degassing systems. It ships with a visible oil sight window and a starter bottle of vacuum oil so you can get to work immediately. Rugged cooling, SAE and ACME ports, and a long-life rotary vane design make it suitable for workshops and field service alike.

How fast and deep does this pump evacuate systems?

The VEVOR pump produces 3.5 CFM (cubic feet per minute) flow with a 5 Pa (approximately 0.037 torr) ultimate vacuum, offering a balance of speed and depth for everyday HVAC jobs. It’s tuned to deliver steady evacuation for low-tonnage residential units and automotive A/C systems without excessive heat buildup.

• 3.5 CFM continuous displacement for efficient pull-down times
• 5 Pa ultimate vacuum to remove most moisture and air contamination
• 4-pole high-torque motor for consistent performance under load

What fittings and refrigerants is it compatible with?

This model features both 1/4" SAE and 1/2" ACME service ports to match common manifold gauges and hose kits. It’s designed for use with typical refrigerants such as R134a, R22 and R410a in automotive and low-tonnage HVAC applications.

• 1/4" SAE and 1/2" ACME ports for broad hose and tool compatibility
• Suitable for R134a, R22 and R410a systems in cars and small HVAC units
• Works with standard vacuum hoses and gauge sets used by technicians

How user-friendly and serviceable is the unit?

The design focuses on easy monitoring and maintenance: a 260 ml oil reservoir with a clear sight window lets you check levels quickly, and a supplied 330 ml bottle of vacuum oil gets you started. A built-in cooling fan reduces thermal stress during extended operation, and the compact footprint simplifies transport and storage.

• 0.27 qt (260 ml) oil capacity with oil sight window for quick checks
• Includes 0.35 qt (330 ml) vacuum oil to start service right away
• Cooling fan and 4-pole motor for reliable, continuous use

What tasks and environments is this pump best suited for?

While compact enough for mobile technicians, the pump is robust enough for light commercial and residential use. Typical tasks include HVAC installation and troubleshooting, automotive A/C maintenance, resin degassing for stabilizing wood or casting, and general refrigeration service.

• Ideal for automotive air conditioner evacuation and servicing
• Useful for home HVAC startup, repair and leak testing prep
• Practical for resin degassing and small shop vacuum needs

Who is this for? Technicians, contractors and hobbyists who need a dependable, portable vacuum pump for everyday HVAC and refrigeration tasks will find this VEVOR model well balanced for speed, compatibility and ease of maintenance. It suits field service work and small shop environments where a reliable single-stage solution with clear oil monitoring and included starter oil is preferred.