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The Cool-Tech 34788 combines simple operation with superior accuracy. It recovers, recycles, evacuates, leak tests, and recharges R-134a quickly and accurately. Fully automatic function lets you recover, vacuum, leak test, charge, and then walk away.


  1. Recovers 20% More Refrigerant

  2. Charge Accuracy +/- 1/2 Ounce

  3. Control panel offers flat storage feature when not in use

  4. Database expansion slot (Optional)

  5. Two large tool storage areas

  6. Change between traditional & hybrid vehicle systems without fear of cross contamination with improved oil injection

  7. New 2X larger display makes the 34788 easier than ever to use

  8. Built-in storage for extra filter

  9. On-board storage for compressor oils

  10. With Automated A/C Service


Premium High Vacuum Pump Oil

Robinair’s oil is engineered to maintain maximum viscosity at high running temperatures and to improve cold weather starts. Laboratory tests prove that Robinair oil is more thermally stable in comparison to other leading brands, which means it resists breaking down due to heat for a longer period of time. Robinair oil has a lower moisture content than other oils, thanks to our special packaging and handling procedures. Moisture degrades the oil’s purity, thinning it and reducing the pump’s ability to reach a deep vacuum

QT. = RS 13203

GAL. = RS 13204



RS 18191A (red)

High Side Field Service Coupler

                                                             RS 18190A (blue)

                                                   Low Side Field Service Coupler

R-134a Side Service Coupler

Compact design.

Automotive use.

Six-ball coupler to provide a more stable grip on the fitting.


RS 40134A

Side Wheel Manifold with Hoses

Solid Forged Brass Bar — Long-lasting and durable with proven face seal valves.
Universal Gauges — Easy-to-read dial faces show R-134a temperatures in degrees
Fahrenheit, plus pressures in psi and kPa.
Flexible Holster — Protects your manifold during use and storage.
Pressure Temperature Chart — Stores in a slot on the back
of the manifold; gives you multiple refrigerant capability.
Includes — R-134a low-permeation hoses with field service
couplers on the high- and low-side hoses; yellow hose is
1/4" FFL x 1/2" Acme with Quick SealTM fitting.
No. 40134A – R-134a manifold gauge set with three 72"
color-coded hoses and automotive field service couplers

For all CFC, HCFC, and HFC refrigerants.

Uses corona discharge technology.

Audible and visual leak indicators.

RS 16600

Electronic Leak Detector

RS 15434

4 CFM Vacuum Pump

1/2" ACME and 1/4" MFL intake fitting 2-stage

RS 15600

6 CFM Vacuum Pump

6 CFM rating.


1/4" and 1/2" MFL intake fitting.

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