Elitech Digital 4 Valve Manifold Gauge HVAC with Refrigerant Hoses, Vacuum Micron Gauge, Thermometer Clamps, OTA Upgrade, Wireless APP Control
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Extended holiday returns
FREE refund/replacement until Jan 31, 2026 Learn more
FREE refund/replacement until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Tuesday, Dec 9
Color: 4-Valve
Size: Pro: Vacuum Gauge+Touch screen+APP
Features
- UPGRADED ELITECH TOOLS APP(ioS and Android): An intergraded app, that allows users to manage all Elitech tools as vacuum pump, digital manifold, vacuum gauge, pressure gauge, refrigerant charging scale on one app, more efficient and more intelligent.
- WITH VACUUM GUAGE VGW-MINI: Used to test system leak and discern vacuum pump quality of the evacuation in an HVAC and refrigeration system; accurate measurements from 19,000 Microns (atmosphere) to 0 Micron. Accuracy: 10% or 10 Micron
- INTELLIGENT JUDGEMENT OF H2O STATUS: The vacuum meter automatically judges physical state of H2O by comparing ambinent temperature and water saturation temperature corresponding to the vacuum in the system.
- SMART TOUCH SCREEN: Elitech EMG-40VPro digital manifold adopts multiple HVAC tools in one unit. It shows changes in vacuum, pressure, and temperature in clear data, and graph display supports data monitoring and analysis in real-time, 100,000 points of data can be recorded and exported by USB.
- AUTOMATIC CALCULATION: Measure the superheating and subcooling temperature of 88 refrigerants automatically, refrigerants used frequently can be saved on top.
Brand: Elitech
Material: Brass, Plastic
Item dimensions L x W x H: 5 x 13 x 19 inches
Manufacturer: Elitech
Product Dimensions : 5 x 13 x 19 inches; 13.95 Pounds
Item model number : EMG-40VPro
Batteries : 1 Lithium Ion batteries required. (included)
Date First Available : September 26, 2024
Manufacturer : Elitech
Best Sellers Rank: #12,786 in Automotive (See Top 100 in Automotive) #2 in Air Conditioning Manifolds
#2 in Air Conditioning Manifolds:
Customer Reviews: 4.3 4.3 out of 5 stars (894)
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Dec 9
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Color: 2-Valve
Size: Standard: LCD+Refrigerant hoses
The tool was easy to use. The thermometer clamps are solid. The hoses are fine, probably not the highest end but very decent. I used it to charge my 410a unit and had no issues. The unit itself is solid, the back light helps quite a bit which makes reading the temperatures and pressure on the display very easy.
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Reviewed in the United States on November 21, 2025 by Luis
Color: 2-Valve
Size: Basic: LCD Display
I'm not a pro, so this is a review from the point of view of a technically inclined consumer, not an HVAC tech. For what I do, which is maintain and repair the family vehicles and basic troubleshooting of my home AC, this is more than I need, and yet I wouldn't go back to those crappy analog gauges you generally see. I love that it's digital, it's accurate, besides showing the line pressures, it includes tempurature sensor clamps, which are probably more useful for residential systems, but work just fine on an automotive system if you know where to attach them. This allows the device to calculate superheat and subcooling values, a feature pros would utilize. You can select the type of refrigerant in the system, allowing you to use it on R134a one minute, then switch to R4 (or a long list of others I never knew existed) to plug into a completely different system and know that it will still be accurate. It's liquid resistant, and the ports and valve/knob hardware is quality, it makes solid connections, i've had no hint of leaks. The only potential complaint I can see is just that it didn't come with a hose set in the box, so you need to pick those up separately, and figure out which type of end connectors you need for the type of systems you'd use this with (or adapters to switch them). This device has helped me diagnose multiple cars, accurately top off the refrigerant while watching the high and low side pressures and line temps adjust. I was also able to do the same to my aging home system's R4 as it had been a little low.
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Reviewed in the United States on July 31, 2025 by James Gibson
Color: 2-Valve
Size: Basic: LCD Display
Gauges work well and very satisfied. Only reason didn't rate five stars is the vacuum reads in negative PSI instead of inches of mercury so you have to know the conversions in your head or have a chart on your phone for reference. Not a big deal but also not a Testo.
Reviewed in the United States on September 18, 2025 by Steven Knies
Color: 2-Valve
Size: Wireless: LCD+APP
I bought this wireless digital meter and it has exceeded my expectations. The connection with the app is fast and very intuitive, which makes it much easier to record data and read in real time. The pressure gauges are precise and allow you to work with various coolants without problem.The temperature clamps work well and the hoses feel of good quality. The carrying case is also a nice plus, it keeps everything organized and protected. I recommend it for air conditioning and refrigeration technicians who are looking for a modern, reliable and easy-to-use tool.
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Reviewed in the United States on September 6, 2025 by Senen Castillo
Color: 2-Valve
Size: Basic: LCD Display
Looks like a heavy-duty product compared to its price, works well, and supports most Freon types.
Reviewed in the United States on October 21, 2025 by Tony, R
Color: 2-Valve
Size: Basic: LCD Display
They seem to work well. Accuracy between these and analog Mastercool gauges and temp sensors seems decent. However the display lens cracked while they were sitting in their case. They were fine when put away and no impact marks. This makes me worried about longevity. Obviously this is a lower price point, but they may not last a year if that broke when not being used.
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Reviewed in the United States on August 4, 2025 by Dave S
Color: 2-Valve
Size: Wireless: LCD+APP
This thing for the money and in general it's awesome. It comes with carrying case, hoses, minisplit fittings, and a manual. Easy to register and set up. Size was perfect. Weighty without being heavy. Solid. Hoses weren't the best but after couple seconds of playing with it no problem. No leakage. Arnt best and will replace but usable. Very accurate within 2 percent of our fieldpiece we have at school. Format as well as look and feel of the unit and the app are impressive. Sent my instructor photos and Live footage of my work on a condenser. For half the cost as a field piece or testo I feel I'm cheating the system. Only gripe is I wish I could change the setting for pulling a vacuum from percentage to microns. Pending on accuracy and how percentage works for me might be using a micron gauge. Highly recommended. Let's make testo and fieldpiece bit cheaper with these! Also the app is amazing. UPDATE: screen was found cracked near bottom of screen like others. Coming up on 800 plus the refund decided to go get the testo 558s. Still highly recommend if budget is a issue. Customer service sucks but cracks n all works!
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Reviewed in the United States on July 24, 2025 by Mario Wiggins The Hvac Prodigy Mario Wiggins The Hvac Prodigy
Color: 2-Valve
Size: Basic: LCD Display
Beware: 1) this screen cracks for no reason. There are no scuffs, shattering, or impacts to cause it, kept at room temp inside. Yet it starts a crack that then creeps around the perimeter. The display otherwise works ok. 2) after using it a few times, the temp clamp readings were way off by 10f & I noticed the pressure readings were not accurate. I therefore don’t trust the measurements which can really mess up my hvac & don’t recommend this product. 3) horrible customer service: I contacted elitech via their online form & they asked for pics which I then sent. However i then received no response from them. Then I followed up requesting a replacement per their warranty. Also no response. I tried their chat which no agent comes on, then tried calling & get nobody. I have not used the other functions like vacuum etc. Also not too crazy about the carrying case cuz it requires the refig hoses to be entirely disconnected & store them in the case's sleeve. I therefore don't use the case in order to keep the hoses connected to the guage so that air does not get into the hoses. Also I had to be sure to zero out the pressures before using to prevent inaccurate readings and to prevent an 'eo4' message which will lock up the thing & require a full reset.
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Reviewed in the United States on April 5, 2025 by The Leon