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> Robinair 4 cfm 2 stage a/c vacuum pump r-12 r-134A
Robinair 4 cfm 2 stage a/c vacuum pump r-12 r-134A
Robinair Cooltech 4 CFM 2 Stage Automotive Refrigerant Vacuum Pump HVAC ROB15434 R12 & R134a
* Heavy duty 1/3 HP motor - High torque design for easy startup and efficient operation.
* Oil Fill Port - Makes adding oil simple since the part is accessible from the front or either side. The sight glass on the front of the pump shows you when enough oil has been added.
* Two stage Design - Cleans the system more thoroughly than a single stage pump; the second state starts pumping at a lower pressure so you can pull a deeper ultimate vacuum.
* Die-Cast Aluminum Housing - Cast aluminum housings make the pumps lightweight and durable.
* Molded Base - Durable polycarbonate base improves pump balance and minimizes vibration during operation.
* Iso-Valve - Isolates the pump from the system with just a quarter-turn, making it easy to measure rate of rise.
* Gas ballast keeps oil clean and dry.
* Inlet feature prevents pump contamination.
* Evacuates today's tighter systems with their increased sensitivity to contaminants.
* Offset Rotary Vanes - work in conjunction with the vacuum pump oil to create a powerful compression inside the pumping chamber to reduce system pressure and vaporize moisture so it can be exhausted along with air.
* The power switch is located on the handle assembly to protect it from accidentally being turned on or off.
* Sure grip handle stays cool to the touch and directs exhaust away from you.
* Free air displacement: 4 CFM
* Factory micron rating: 20 microns
* Oil capacity: 15 oz. (148 ml)
