WISSCOOL 3.5 CFM Vacuum Pump, 1/4 HP 110V

Updated August 18, 2026

Condition: New Open Box Damaged?: No In Packaging?: Yes Missing Parts?: No Functional?: Unable to Test Brand: Wisscool ASIN: B0CXCWXMMF Model: WP-WS3.5CFM 3.5 CFM Vacuum Performance: The 1/4 HP single-stage motor delivers up to 3.5 CFM and a 5 Pa ultimate vacuum; efficiently removes air and moisture before refrigerant charging for automotive A/C, HVAC, and refrigeration service Built-In Ball Valve: The integrated ball valve provides convenient flow control and quickly isolates the vacuum pump from the connected system; simplifies evacuation, testing, and service procedures Efficient Motor Cooling: Mesh ventilation, T-shaped cooling fins, and a high-volume fan help dissipate heat during operation; the copper-wound motor features overheat protection for stable and reliable performance Easy Oil Maintenance: The marked oil sight glass allows quick oil-level checks, while double input port and the bottom drain port simplifies oil changes; includes 250 ml vacuum pump oil, an ergonomic carrying handle, and an anti-slip base Filtered and Versatile Design: The exhaust filter helps reduce oil mist, the inlet filter blocks dust, ; suitable for R134a, R12, R22, R410a and R502 system.

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