VIVOHOME 5 CFM 1/2 HP 2 Stage HVAC Vacuum Pump for R134a R12 R22 R502 R410a Systems, Auto AC Vacuum Pump for Automotive Air Conditioner Resin Degassing with Oil Bottle
DUAL-STAGE VACUUM PERFORMANCE: Powered by a 1/2 HP 4-pole high-torque motor, this 5 CFM dual-stage rotary vane vacuum pump reaches down to 0.3 Pa, helping achieve proper evacuation before refrigerant charging for DIY HVAC, mini split, and automotive A/C servicing
DUAL-STAGE VACUUM STABILITY: Dual-stage design supports faster pull-down and stable deep vacuum, making it suitable for larger systems and multi-zone mini splits when used under proper setup and recommended operating conditions
WIDE HVAC COMPATIBILITY: Features 1/4" SAE and 1/2" ACME inlet ports, compatible with R134a, R12, R22, R502, and R410A systems (5/16" adapter required for R410A, not included), offering flexible connections for home HVAC and garage use
BUILT-IN FILTRATION SYSTEM: Internal stainless steel intake filter helps keep particles from entering the pump chamber during operation, while the exhaust port includes an oil mist filter layer designed to reduce oil vapor output under normal operating conditions
SAFE & STABLE OPERATION: Built with motor current protection, efficient cooling fan, and optimized heat-dissipation structure; Supports a 70% duty cycle (30–40 min operation, 15–20 min cooling) for reliable performance within recommended use
EASY MAINTENANCE & HANDLING: Dual oil-filling ports, visible oil sight glass, and bottom drain port simplify oil changes; Includes 2 × 250 ml vacuum pump oil; Ergonomic handle and balanced 18.3 lb design for stable handling