Robinair 15401 3.3 cfm Vacuum Pump

This Robinair 3.3cfm Vacuum Pump is engineered specifically to meet your A/C maintenance needs and to give you trouble-free operation. Take advantage of years of experience and know-how developing pumps to help you do your job faster and better. Designed for use on A/C-R systems using CFCs, HCFCs, and HFCs in conjunction with mineral oil, ester oil, alkylbenzene oil, and PAG oil as lubricants.
Do not use with ammonia or lithium bromide systems; not for use with flammable refrigerants.

KEY FEATURES:
- Two Stage Design - second stage starts pumping at a lower pressure to pull a deeper ultimate vacuum
- Offset Rotary Vanes - Our proven design creates the deep vacuum conditions needed for a thorough evacuation
- Gas Ballast feature - helps keep the pump oil clean by reducing condensation of moisture
- Iso-Valve - isolates pump from the system with just a 1/4 turn, making it simple to measure rate of rise
- Integral Check Valve - prevents pump oil from being sucked into the system if a power loss occurs
- Die-Cast Aluminum housing - lightweight but durable
- Molded Base - Durable polycarbonate base improves pump balance and minimizes vibration