Overview
The Central Pneumatic 3952 is a portable pneumatic air vacuum pump designed for automotive air conditioning system evacuation and maintenance. As a venturi-type pump, it requires no moving parts and no oil, making it a simple and reliable solution for professionals and technicians performing A/C service work. The pump operates on compressed shop air, delivering consistent vacuum performance for moisture removal and system preparation.
Key Features
- Venturi-type design with no moving parts or oil required
- Achieves up to 28.3 inches of mercury (inHg) vacuum at sea level
- Compact and lightweight for ease of handling during field service
- Simple pneumatic operation requiring only a shop air connection
- Reliable performance for routine automotive A/C evacuation
Technical Specifications
- Model: Central Pneumatic 3952
- Type: Venturi-type air vacuum pump
- Vacuum Level: Up to 28.3 inHg at sea level
- Air Pressure Requirement: Minimum 90 PSI
- Air Consumption: 4.2 CFM at 90 PSI
- Power Source: Pneumatic (compressed shop air)
- Weight: 1.59 lbs
- Portability: Portable
Typical Applications
- Automotive air conditioning system evacuation
- Moisture removal prior to refrigerant charging
- Preventive A/C maintenance and service
- Field service and mobile technician applications
- General vacuum requirements in automotive repair shops
Compatibility & Replacements
Compatible With
- Standard shop air compressor systems with 90+ PSI capacity
- Automotive air conditioning service equipment packages
- Any pneumatic tool that operates at 90 PSI minimum
Replaces / Drop-In Replacement For
- Central Pneumatic Model 03952 (alternative model designation)
Works With
- Standard pneumatic quick-disconnect fittings
- Refrigerant recovery and charging systems
- Air conditioning evacuation service procedures
