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Brazing Tips And Tricks / Fixing Leaks In Refrigerant Lines 

HVAC in SC
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** PLEASE READ THE DESCRIPTION OF THE VIDEO BELOW **
In this video I show a little brazing training of sorts I like to do from time to time. Drilling a large hole in a copper pipe then attempting to fix it with nothing more than brazing rod. There are many far easier and practical ways to fix this sort of hole. The point I try and make here is to teach guys how to properly manage the heat of the torch in a way that allows you to fix the hole with no other materials. This training has come in handy over the years for me when I come across situations where controlling temperatures is critical.
** As stated in the video, this demonstration was not using beast brazing practices such as purging with nitrogen. That step must be taken when performing this repair on an actual refrigerant circuit. **
Hope you enjoy the video! I hope to do a few of these demonstrations with aluminum and alloy rods in the future.
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How to braze copper pipe. How to repair holes in copper pipe. How to control heat while brazing, Brazing training tutorial. How to repair holes in copper pipe. Learning how to braze. HVAC brazing. HVAC training. Brazing tips and training,

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24 ноя 2018

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Комментарии : 83   
@daviddelgado475
@daviddelgado475 5 лет назад
That's why I love rainy days because that's when we get the most creative thank you so much for sharing this and taking advantage of your time to improve on your craft those are the people who succeed and love what they do
@HVACinSC
@HVACinSC 5 лет назад
+David Delgado Thanks for watching David!
@tomorrowsyoutube7138
@tomorrowsyoutube7138 5 лет назад
I’m looking at this on a rainy day hahaha
@ldm125
@ldm125 4 года назад
I'm a relatively new HVAC tech (6mo) and I'm reliable but slow at brazing. I had a challenge from a teacher today to do something really similar. I had good luck pulling the torch away, heating the silfos, and following the torch and silfos to the tubing to "stick" the little melted ball on the hole edge. Rinse and repeat. It was pretty bumpy so I evenly heated to smooth it out. It actually worked really well.
@NorCal-refrigeration
@NorCal-refrigeration 5 лет назад
Filling holes on a rainy day. Loved it. 👍👍🤘
@HVACinSC
@HVACinSC 5 лет назад
😝😝😝
@nothankyou5524
@nothankyou5524 5 лет назад
Nicely done.
@mhoush
@mhoush 5 лет назад
Ninja brazing skills, I love it!
@alexgordonepic
@alexgordonepic 4 года назад
i agree. helpful to see what his flame/mix look like...
@JuanTodoli
@JuanTodoli 5 лет назад
Cool skills there. Nice video.
@larrysampson9763
@larrysampson9763 5 лет назад
Good job you always do good work
@HVACRSurvival
@HVACRSurvival 5 лет назад
Looks good!
@channelcatchaser9426
@channelcatchaser9426 5 лет назад
Pretty amazing
@hvactechpr7872
@hvactechpr7872 5 лет назад
Good job I've done a few like that it takes a ton of practice and pulse... Keep up polishing your skills
@HVACinSC
@HVACinSC 5 лет назад
+Alexander's Refrigeration & A/C Videos I can do this type of repair in my sleep after doing it for close to 20 years. Now I just still enjoy playing with fire. 😆
@hvactechpr7872
@hvactechpr7872 5 лет назад
@@HVACinSC see practice made perfect 😆😆😆😎😎
@heavydiesel
@heavydiesel 5 лет назад
Awesome skills! A trick taught to me by an ex military mechanic was that you can use a small piece of copper to make a patch, they used it on radiators that had bullet holes in!
@nothankyou5524
@nothankyou5524 5 лет назад
Great thing to do when you can apply the patch.
@HVACinSC
@HVACinSC 5 лет назад
Thanks HD!
@moroteseoinage
@moroteseoinage 5 лет назад
That is badass.
@moroteseoinage
@moroteseoinage 5 лет назад
Love to see a video of that experiment.
@samuellefebvre577
@samuellefebvre577 Год назад
Thanks 👍
@davejohnsonnola2758
@davejohnsonnola2758 5 лет назад
My limited work with small commercial reach ins have been using Staybrite but need to practice with oxygen/ acetylene and get more comfortable with for those sloppy joints and repairs. Thanks for sharing.
@jimremington716
@jimremington716 Год назад
used Staybrite #8 for years on installs and repairs melts and flows at 550 deg. as I recall without annealing the copper same strength pressure, tinsel ect instead of using Silfos. I have used Silfos without any flux still prefer staybrite #8 with flux.
@aircooledtx
@aircooledtx 5 лет назад
Nice joint, strong . Have down braze joints due to nails by roofers.. Works well.
@HVACinSC
@HVACinSC 5 лет назад
+Michael Lee Thanks Michael
@chriscurrie7754
@chriscurrie7754 5 лет назад
That's some good soldering great work
@HVACinSC
@HVACinSC 5 лет назад
+chris currie Thanks. They look much cleaner with a nitrogen purge.
@danmartens1282
@danmartens1282 3 года назад
Be cool to see a video fixing a bad weld once its done
@stevekraus8621
@stevekraus8621 3 года назад
How do you fix a leaking brazed joint when there is compressor oil present? Just rebraze and hope the filter / drier catches anything?
@oscarlam9447
@oscarlam9447 3 года назад
how did you joined those three pipes that are soldered to the pipe you´re fixing??
@carlmccoy662
@carlmccoy662 5 лет назад
Show off, Nice video.
@HVACinSC
@HVACinSC 5 лет назад
+Carl McCoy If I wanted to show off I would have used nitrogen to make a real sexy repair. 😆 Thanks for watching.
@pingpong9656
@pingpong9656 2 года назад
I would really like to know how they make those T joints to the right of your hole - are those extruded or made with a straight drill? Is there a special tool to make the T joints. Any details would be most welcome!
@La2venida
@La2venida Год назад
What pressures bdo you run on oxygen acetylene. ? Any tips for getting blid spots
@jonhvac
@jonhvac 5 лет назад
Good job Bradley me boy. I guess you can't help the moisture, it runs in the family😹
@HVACinSC
@HVACinSC 5 лет назад
+Jon HVAC 😆😆😆
@jackli3776
@jackli3776 3 года назад
Great video. I am wondering if this method can be applied to a tiny hole on a copper pipe with high pressure. Thanks.
@jimremington716
@jimremington716 Год назад
yes but prefer staybrite #8 and a small copper patch, depending on max pressure.
@randomrefrigeration4564
@randomrefrigeration4564 5 лет назад
Playing with fire fun
@73superglide62
@73superglide62 2 года назад
Same 1/4 hole curse 3/ 8 tube heater exchanger
@alicepet1994
@alicepet1994 5 лет назад
Can you do a comparison brazing 15% silver rod with soldering on a hole with StayBrite 8 + Stayclean? Thanks
@PeakyBlinder
@PeakyBlinder 3 года назад
Ditto
@earthstewardude
@earthstewardude 5 лет назад
I have a small crack in the liquid line at the bend just above the compressor. tight spot, wondering if I should use 15% or higher and also a jewelers torch so I can avoid over heating / damaging the compressor? Did this happen because the 3 compressor anchor bolts were tightened down too much causing too much vibration on the liquid line.
@georgewelker853
@georgewelker853 Год назад
You’re probably better off to add an extra “loop” to help absorb the vibration, the compressor will move but the discharge line on the higher end systems have at least a large u shaped line between the compressor and the condenser coil
@hiroliloy7824
@hiroliloy7824 5 лет назад
I want to see fixing aluminum pipe too
@specialk22tt
@specialk22tt 4 года назад
Amateur here: I have a very small hole in a window a/c copper line. Can I patch the hole with mapp gas? If so, what rod should I use? I plan on recharging with a bullet valve after.
@Mainstreamroadside
@Mainstreamroadside 3 года назад
I have the same question
@Florida_Blast
@Florida_Blast 2 года назад
🤔Also would like to know this, thnks nice video.
@PeakyBlinder
@PeakyBlinder 3 года назад
What rod did you use and was it fluxed ?
@HVACinSC
@HVACinSC 3 года назад
15% Sil-Fos. No flux
@michelevitarelli
@michelevitarelli Год назад
What brazing rod did you use?
@HVACinSC
@HVACinSC Год назад
15% Sil-Fos
@jamescc2010
@jamescc2010 3 года назад
How can we find and fix leak on a pipe somewhere in a house. It can even be under slab but an AC did not know for sure where the leak is. He said the leak is under slab which a lot of people told me not true.
@HVACinSC
@HVACinSC 3 года назад
Isolate the pieces of equipment from the refrigerant lines then pressure test each piece to see which one has a pressure drop. If the copper lines are in the slab without a proper sleeve I'd bet they are leaking too. Concrete will eat copper. Good luck
@adbrozonez6068
@adbrozonez6068 2 года назад
Hi bro ,How strong can it hold 4 bar above?
@HVACinSC
@HVACinSC 2 года назад
It's stronger than the copper pipe itself if done properly.
@Rickylanemarketplaceappliances
can you share which solder this is, link?
@HVACinSC
@HVACinSC Год назад
Standard brazing rods 15% Sil-Fos
@veradowns2736
@veradowns2736 3 года назад
Can I fix leak with Freon in pipe? Any method?
@HVACinSC
@HVACinSC 3 года назад
Yes. If you have the tools, materials, and training.
@icebeary4886
@icebeary4886 5 лет назад
How about soft soldering?
@HVACinSC
@HVACinSC 5 лет назад
How about it?
@claystone7729
@claystone7729 5 лет назад
The rust is on the Solder? Iron is in your Solder?
@HVACinSC
@HVACinSC 5 лет назад
Not a chemist bud. No clue of every element in these 15% SilFos rods.
@claystone7729
@claystone7729 5 лет назад
@@HVACinSC Thank you, lol was a Chemist for 15 years now I am a Handyman just installed a New 90+ Furnace and Central Air. Just got done installing my line set and borrowed my buddies Oxy Acetylene torches copper to copper fittings. Buddy gave me two types of Rods not sure if I use the Silver Rod for the Copper to Copper or the one that is a bit duller? Have to get Oxygen tank filled in morning? Any help appreciated thank you for your answer. I subscribed.
@HVACinSC
@HVACinSC 5 лет назад
@@claystone7729 Without knowing what exactly the brazing rods are it's hard to say which would be best. I'd say the one with the higher silver content will perform better but both rods will work fine on copper to copper regardless of composition.
@Alex-yk6he
@Alex-yk6he 5 лет назад
Reminds me when i used oxy-acetylene torch the first time. Burned a large hole in coil piping.
@HVACinSC
@HVACinSC 5 лет назад
+Alex Egorov My boss years ago got us to melt hole in the pipe, then fix them. Over and over.
@beardowns8050
@beardowns8050 5 лет назад
Hell yea me too... I went from just acetylene, to oxy/acetylene. I do a lot of small units so I melted thru a few pencil driers and copper 🤬
@GrimRepair
@GrimRepair Год назад
I made a hole yesterday, and had to fill it like in this video. It's holding pressure from an air compressor. Time will tell if it holds at operating pressure.
@mathewshoyt1763
@mathewshoyt1763 4 года назад
i too like to experiment with shit
@HVACinSC
@HVACinSC 4 года назад
👍
@garydudgeon
@garydudgeon 5 лет назад
Nice job. Not very pretty but quite functional.
@HVACinSC
@HVACinSC 5 лет назад
+Gary Dudgeon No nitrogen equals impurities in the joint as I mentioned but thanks. 👍
@HVACinSC
@HVACinSC 5 лет назад
@MAK Truck Its all good dude. I post my work to the public so everyone can voice their opinions. I'm not the authority on brazing but I think I'm far better than average tech. 😁 It's not very pretty but they usually aren't when you fix a hole this large with only a brazing rod. Not to mention the lack of nitrogen.
@garydudgeon
@garydudgeon 5 лет назад
@MAK Truck No I can't. I meant it as a compliment. I have seen the time when a guy that repaired a hole like that could get water to livestock until a prettier repair or folks could get heat while waiting till morning to get materials for a better repair. Sorry if you were offended.
@HVACinSC
@HVACinSC 5 лет назад
Dont worry Gary, I appreciate your comment. Thanks for watching man.
@garydudgeon
@garydudgeon 5 лет назад
@@HVACinSC I really did mean it as a compliment. Sorry it offended MAK Truck. I have seen the time when a repair like that on copper could get somebody water or heat until pipe and couplings could be acquired after a holiday . Again, NICE JOB.
@davidmartindaletheycallmemacgu
@davidmartindaletheycallmemacgu 3 года назад
What rod were you using?
@HVACinSC
@HVACinSC 3 года назад
15% Sil-Fos
@davidmartindaletheycallmemacgu
@davidmartindaletheycallmemacgu 3 года назад
Thanks
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