Compare Robinair A/C Machines

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AC1234-6 AC1234-4 AC1234-9
AC1234-6
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AC1234-4
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AC1234-9
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Refrigerant
R-1234yf R-1234yf R-1234yf
A/C Service
Automatic Automatic Automatic
Manifold Values
Automatic - Not required Automatic - Not required Automatic - Not required
Recovery Efficiency
98.50% 98.50% 98.50%
Charge Accuracy
+/- .5 oz +/- .5 oz +/- .5 oz
Fast Service
Yes Yes Yes
Automatic Internal Tank Refill
Yes Yes Yes
Auto Oil Drain
Yes Yes Yes
Auto Oil Injection
No No No
UV Dye Injection
No No No
Air Purge
Automatic Automatic Automatic
A/C Component Flushing
Yes Yes Yes
Vacuum Leak Test
No No No
Nitrogen Leak Test
No No No
Vehicle Data
Optional Optional Optional
Service Record Storage
Yes Yes Yes
Refrigerant management
Yes Yes Yes
Display
5.7" LCD Display 4.3" LCD Display 10" hi-res touch screen
Integrated Refrigerant Identifier
Yes Yes Yes
Contaminated Refrigerant Removal Port
Yes Yes Yes
Vacuum Pump
1.5 cfm dual stage (35 microns) 1.5 cfm dual stage (35 microns) 1.5 cfm dual stage (35 microns)
Internal Tank
30 lb 30 lb 30 lb
Hose Length
9 ft 9 ft 9 ft
Printer
Yes Optional No, Google cloud printing
Notification Light
Yes Yes Yes
RJ45 Ethernet Connector
Yes No No, WiFi-enabled
Audio
Yes No Yes, integrated speaker
USB Port
Yes Yes Yes
Cord Wrap
Yes Yes Yes
Filter-Drier Capacity
330 lbs 330 lbs 330 lbs
Warranty
1 Year 1 Year 1 Year
Service
0ver 225 trained and certified service facilities 0ver 225 trained and certified service facilities 0ver 255 trained and certified service facilities
Meets SAE J-2788 Requirements
No No No
Meets SAE J-2843 Requirements
Yes Yes Yes