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3 Way AC Manifold Gauge Set for R404A R134A, Manifold Gauge + 5FT Hoses + R134A Adjustable Quick Couplers + R134A Can Tap + Accessories + Case
Packing List & Multi-function
1x 3 Way AC Diagnostic Manifold Gauge
3x 5FT Color Coded Charging Hoses
2x Adjustable R134A Quick Coupler
1x Can Tap (Piercing Type)
1x Adapter with Shut Off Valve (1/4" Male to 1/2" Female)
1x Hanger to Hook the Manifold Gauge on the Engine Cover
1x Spare Valve Core Accessories Kit
1x Detailed Instruction
1x Customized Blow Molding Case, 13"Lx8-1/2"Wx3-1/2"H
For R404A R134A refrigerant. Perfect for automotive and household air conditioner evacuation/vacuum, diagnostic check, refrigerant charging and recovery
AC Gauges
Double movement gauges, much more sensitive.
2-3/4" big dial with color coded scale for easy reading.
Built in calibration screw and no-flutter pointer ensure measurement accuracy.
Celsius unit.
Double pressure measurement unit, psi and kg/cm².
Detailed refrigerant charging scale for R404A R134A.
AC Gauge Manifold Body
Brass manifold body, durable and anti-corrosion.
Through acrylic transparent sight window, you can see when the refrigerant start/stop charging and how fast.
Double valve knobs on both sides, blue for low pressure, red for high pressure.
3 Way Connectors
3 way 1/4" male flare connector.
The connector under blue dial is for low pressure side service port.
The one under red dial is for high pressure side service port.
The middle one is charging port.
Especially important
- The blue line channel and the red line channel have been kept open.
- LP manifold valve controls the connection of the blue line and the yellow line.
- HP manifold valve controls the connection of the red line and the yellow line.
1.Each pressure gauge has undergone a pressure holding test before leaving the factory.
2.The scales of pressure gauges manufactured by different factories may be different,but they can all be used normally, so don't worry.
NOTE
1. Please wear gloves and goggles when use
2. This ac refrigerant recharge kit should be used by professional or under the guidance of a professional
3. Always refer to equipment manufacturer's operation instruction, compare to the manufacturer's recommended readings
4. Do not use this AC gauge when pressure is higher than the max. scale of high pressure gauge
5. Do not use it as pressure regulator
6. Ensure the pointer points to zero before using. If not, please screw off the dial screen and reset the pointer by adjusting the calibration screw
7. No purge valve for the yellow line. You can loosen it a bit to fill the line with refrigerant before open the valve
8. When use the adjustable quick coupler to open the AC service port Schrader valve, stop twisting after the gauge pointer start move. If you keep twist tighten, it may wear Schrader valve
paul
Reviewed in the United States on April 8, 2025
Good purchase
Wayne McKnight
Reviewed in Canada on January 23, 2023
Purchased this over a year ago and have used 3 times on various vehicles. Does everything as advertised, should have bought this years ago. Videos on usage available on YouTube. Easy and safe to use.
youssef z.
Reviewed in the United States on September 25, 2022
Everything was good except one part did not work well whcih the valave taht connect to the yellow line not a big deal
VICTORIA COOK
Reviewed in the United States on June 24, 2022
ITEM WAS RETURNED AS THIS ONE IS FOR CARS AND WE NEED THE ONE FOR A/C
barely
Reviewed in Canada on November 12, 2022
Best part is the plastic suitcase the ciome in . Rest is Mediocre quality. Certainly good enough for annual or maybe even Bi-annual use. Hardly a working tool though.
RayRay
Reviewed in the United States on July 30, 2021
I have a few vehicles that needed some AC loving.. My Jeep Grand Cherokee wasn't blowing super cold air but was doing OK, I knew it could probably use a boost at some point.My wife's Cadillac SRX gradually started blowing less cold air over this hot summer a few weeks ago.I figured purchasing a manifold gauge set was a necessity as I had two vehicles I needed to address. I almost went with a cheaper solution, one with a hose and gauge for the Low Pressure Side only. Well that's fine if you're absolutely certain there are no problems with your High Pressure Side.I didn't want to take that chance on the Caddy and felt better about knowing where the Jeep was as well.Fortunately, I have good Low and High Pressure values now on both vehicles and both are blowing ice cold today even though it's well into the 90's and 70% humidity. Not only did it take care of both vehicles, it also offers me a piece of mind knowing that my AC systems are good.If I ever need to work on the system I can always make a run to Harbor Freight and buy a nice vacuum pump to use with this system. Harbor Freight's model is very similar to this but was $62.00 THIS SET WAS UNDER $40 WITH CASE!
Touati
Reviewed in Canada on January 8, 2021
J ai trouvé les gaufres trop fragile et les tuyaux pas bon donc j’ai fait un mauvais achats
John E.
Reviewed in the United States on October 2, 2020
This item does not have the necessary fittings on the manifold or theends of the hoses. These fitting ends do not conform with the stander for R134 Aapplications.. They are used only for R-12 ,R-22, and so on!P.S. In the United states
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