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Availability:
Only 3 left in stock, order soon!
Arrives
Thursday, Oct 22
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Features
- Vacuum Rated To 20 Microns
- Easily Remove Access Valve Cores For Full, Unrestricted Flow
- Double O-Ring Ball Valve Seal For Accurate "Blank Off" Vacuum Testing
- Country Of Origin : United States
Description
Use the vacuum-certified megaflow Valve core removal tool to remove restrictive access Valve cores for high-speed recovery and evacuation. .
Product Dimensions: 5 x 2.5 x 1.5 inches
Item Weight: 0.01 ounces
Manufacturer: Appion
Item model number: MGAVCT
Date First Available: August 6, 2009
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Oct 22
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
Style: Removal Tool
not only is this the best core remover on the market, I wanted to share the great customer service I got from Appion. I bought this core remover a year ago, and recently due to some idiocy, I ended up breaking the ball valve. I tried disassembling it and fixing it but couldnt get it to seal reliably. I reached out to Appion to see if they sold the ball valve and stem piece that holds it but I did not expect a response. a couple months go by and I noticed they said they would be happy to send me the pieces that were broken at no charge a couple days after I contacted them. I quickly responded back thinking that I had missed my chance, but they responded right away and shipped it out same day. HVAC specific tools are really expensive these days and you need a lot of them so having a company stand behind their products and supporting customers after purchase is such a breath of fresh air. I will probably be switching to appion for a lot of my new purchases because of this. if anyone from appion is reading this, Kara was amazing and very understanding when I failed to respond to her email for months!
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Reviewed in the United States on April 2, 2026 by Tech Culture
Style: Removal Tool
Can't beat this quality and a great price. Holding vacuum for 2 hrs.
Reviewed in the United States on May 8, 2026 by Matthew Davis
I'm new to this, but I'll tell you what (I think) I've learned about this tool. Don't think of it as a Valve Core Removal Tool, think of it as your access point into your sealed system. Removing the valve core is a necessary part of that, but the purpose of this tool is to provide the two male 1/4" ports. The side port is always connected to the system and provides an all-metal (won't leak under vacuum) 1/4" connection for your thermocouple micron gauge, and the rear port connects to your 1/4" hose to your manifold. Vacuum your system down through your manifold, watching your progress on your side-mounted micron gauge. Then close the ball valve on this tool and your micron gauge is still reading system vacuum, while your hoses and manifold are out of the picture. This valve is vacuum rated to 20 microns, now you understand why that is important. This is the MGAVCT which has a female 1/4" connection to the system, the MGAVCR has a female 5/16" connection to the system and the same two 1/4" (side and back) ports. Note that if your micron gauge doesn't tolerate pressure you'll need something like a YJ 69067 ball valve to isolate it before you start adding refrigerant. (I think I've read the YJ 69075 doesn't like more than a few PSI) From the moment you get the recloseable clamshell packaging, everything about this tool feels like quality. All metal, great weight and feel, and really nice knurling. It comes with two spare o-rings, and instructions for buying a rebuild kit and parts should you ever need it. Packaging says "Parts and products made in Taiwan, USA, EU, and South America". The only thing that could improve this tool would be if it said "Made in USA" on it.
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Reviewed in the United States on April 22, 2017 by Daniel C.
Style: Removal Tool
Excelente calidad!!
Reviewed in the United States on June 5, 2026 by Diego Aliaga
Style: Removal Tool
Worked as stated. Excellent quality and should last years.
Reviewed in the United States on February 17, 2026 by S.S.
Style: Removal Tool
Easily removed 3 of 4 valve cores with no issues. The 4th one was getting caught by the inlet o-ring, evidently a known issue of being too thick and easily squeezed. The core was also being caught on the edges of the ball valve (a few thousandths smaller bore needed). The ball valve handle and magnet screws were coming off on both tools the first time I used them. There’s no reason they couldn’t have used a drop of blue sealer on all the screws. And lastly, one tool came with a magnet cracked into 3 pieces. Fortunately Amazon has 30 for $10 that only need a few pieces of tape to space then to the correct thickness. For being 3x more than the other CRTs, I was surprised by all the shortcomings
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Reviewed in the United States on September 4, 2024 by Bruce
Style: Removal Tool
Despite the fact that this part (see photo) looks and is made completely differently from the one on the Appion website, the product is very well-made and works excellently. It holds a deep vacuum, nothing gets in the way, and it removes and installs the core under pressure without any issues. Overall, even if we assume that this is not an original Appion product but a clone, it definitely does not fall short in quality compared to the original. I am satisfied.
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Reviewed in the United States on September 19, 2024 by Sergei Vershinin
Style: Removal Tool
INDISPENSABLE item for DIY minisplit install. This and the 5/8" one too. They should package as a pair. IMPORTANT.... Watch the triple evacuation video on Youtube from HVAC Tips guy ... I used his simple setup with two Appion Core removal tools. I did lose an hour wondering why no vacuum then I found and removed a "3rd" schrader valve, one was in the 5/8 Appion core removal tool, one in the 1/4" Appion core removal tool, in addition to the schrader inside the minisplit port. Once all three were gone, the vacuum sucked down fast. VERY HAPPY with the tool. BTW, if you're wondering what a schrader valve is, it's the same little screw in tiny valve that holds air in your tires. It works one way. No mystery to that thing. Those Appion core removal tools worked great.
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Reviewed in the United States on November 16, 2023 by Del Aney