Copper Pipe Swaging Tool/Tube Expander for HVAC Air Condition Line or Refrigerator Line Repair, Fit for 1/4" 5/16" 3/8" 1/2" 5/8" 3/4" 7/8"
Condition: New
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FREE 30-day refund/replacement
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:
18 left in stock
Arrives
May 30 – Jun 6
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Features
- MADE OF HIGH QUALITY MATERIAL: This expander tool is made of heavy duty stainless steel, solid and sturdy, durable and will last for long time,
- SPECIFICATION: Copper Pipe Tube Expander it can be use to expand copper pipe with diameter 6mm, 8mm, 10mm, 12mm, 16mm, 19mm, 22mm (1/4" 5/16" 3/8" 1/2" 5/8" 3/4" 7/8") .
- ERGONOMICS DESIGN: Hand Refrigeration Tools with Hinge design, which can avoid swing of handle, ensuring stable operation. The rubber will make your feel soft and comfortable to use.
- STRONG AND DURABLE SPRING: The spring is strong and durable, you don't need to press the handle very hard when expanding the tube, makes your job easier and productive.
- APPLICATIONS: This hand copper pipe expanding tool can be widely used for expanding your pipe to fit your certain desired size when you repair HVAC, refrigerator or other copper pipe projects
Manufacturer: Kozyard LLC
Brand: Kozyvacu
Item Weight: 13.1 ounces
Package Dimensions: 7.8 x 6.97 x 1.69 inches
Item model number: KZHST-22
Manufacturer Part Number: KZHST-22
Date First Available: January 16, 2022
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
May 30 – Jun 6
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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- Financing through Apple Pay
Learn more about financing & leasing here.
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Top Amazon Reviews
So far it's done what ive needed. Used it a few dozen times and hasn't damaged the pipe as long as you take it slow and rotate. Size is right to just throw in a work bag/box. The handle is nonslip and feels good in the hand. I recommend.
Reviewed in the United States on May 11, 2025 by Anthony C.
I picked up the Kozyvacu copper pipe swaging/expander tool for working with HVAC and refrigeration-grade copper line, and it’s been a really useful addition to the toolbox. What I like: Covers all the common tubing sizes — 1/4" through 7/8" Makes clean, concentric expansions so the mating tube slides in nicely Solid steel construction — feels durable, not flimsy Saves time and fittings — fewer couplers and brazed joints needed Great value for the full set of sizes at this price I’ve used it for line repair and small projects, and as long as the tubing is cut clean and deburred first, it forms a smooth swage that brazes beautifully without distortion. Pro tip: Heat the tubing slightly before expanding thicker-wall copper — it makes the swage cleaner and keeps the tube from cracking. If you want a reliable copper tube expander for HVAC or refrigeration work without spending pro-brand money, this Kozyvacu tool does the job well. I’d buy it again.
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Reviewed in the United States on December 29, 2025 by Danney Findley
Great swaging tool. Great quality, easy to use and don't have to keep up with multiple pieces. This takes care of all sizes I need in hvac and residential plumbing work. Definitely recommended to any Plumber or HVACR Tech to keep in the tool bag!
Reviewed in the United States on March 24, 2025 by chris parker
This is an inexpensive tool that requires time and patience. If you proceed slowly and rotate your stock, you can swage tubing almost as good (NOT as fast) as a hydraulic swaging tool. It takes patience and practice.
Reviewed in the United States on February 5, 2025 by Lar Bear
I had to swedge a 3/8 steel line and piece it together with another. I have never used this tool before and found it did a great job for me. And I highly recommend it for somebody trying to do the same procedure. I'm sure it is easy to use with soft copper tubing. In my situation, I was using a harder steel tubing, so I had to take my time bit by bit doing a little at a time to avoid cracking the steel tube. The tool is sturdy and works very well for the price
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Reviewed in the United States on May 16, 2024 by Dan C
Me gusta buena calidad
Reviewed in the United States on January 25, 2026 by Allan Herrera Salmerón
The smallest flare is a little weak
Reviewed in the United States on November 27, 2025 by James R Hammack
This was one of the few things that I've bought that beat my expectations. I'd never used one before, didn't even realize there was such an animal but it worked great for my needs. I use copper fittings and pipe as ferrules on hand crafted canes and this allows me to get a better fit. Wish there was a 1 inch available.
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Reviewed in the United States on May 31, 2024 by Parkerdog