Important brazing tip. It was a 3/8 tee and not a 3/4. Sorry for the confusion.
HVAC Brazing 1
March 27th, 2010 
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Tags: air, brazing, conditioning, DrZarkloff, HVAC, Sorry For The Confusion, StarkloffThe Plumbing Blog
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March 27th, 2010 admin Posted in Videos Tags: air, brazing, conditioning, DrZarkloff, HVAC, Sorry For The Confusion, Starkloff
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How long have you been working in HVACR field??
I got into the HVAC field a little at a time. I learned to weld and braze when I was in high school. I’ve always been good with my hands. I get along better with machines than I do with a lot of people. I’ve had jobs that required me to work on air conditioners since 1984. Then when I had to have an EPA card to work on air conditioners, I went to HVAC school. I didn’t need the college credits just the knowledge to help me pass the EPA exam.
If you heat the pipe to much you will cause scale in the pipe and contaminate the refrigerant.
not pretty but gets the job done , like soldier joints dont need to be pretty but need to be tight and not leak
I cannot stress enough how important it is to clean your copper. That goes with any base metals you are joining. Nice video brazing the copper tee. I would suggest heading the copper first then moveing the rod to the opposite side so that capillary action will draw the filler metal towards the heat source, that will give a nice even fillet and reduce the ugly bump. But, to your point.. that is a leak-tight joint, might be ugly, but a well brazed joint. -Damon
HEY DOCZ. Thank you very much for your videos , very helpful. God bless you
Thanks for watching.
wouldent the tip on the inside of the Tee cause turbulance? im in Trade school for HVAC and thats what i was taught,
Not so much on the liquid line. Besides, it’s better than having a restriction where you don’t want one.
Why don’t you use Oweld’s gas generators? You will have a better result.
Maybe when it will become an industry standard one of these days.
Do you need to use flux when brazing?
hi Dr ,,, do you agree using N2 flow tr lineset while you re brazing?
It’s practically a necessity to use a nitrogen flow while brazing.
Not if you’re brazing with sil-fos.
Thank you very much for your advice and videos…you’re the best Dr Z !!!
Thanks for watching.
i really like ur version of the shrader valve install it makes sence why to do that. takes a little more time but i bet the system runs better
hey doc do you use a turbo torch or an gas and oxygen mix torch, multi torch brazing/ cutting torch
there is no need for what ever your trying to achieve here. + without being rude you need to work on your brazing skills as you got no penetration on your joint!!! and was you purging?
if you had used a no acid flux and properly heated the pipe before applying the solder you would get a good joint. in a properly done job the solder is sucked into the joint and it is smooth and NOT lumpy.
lumpy solder joints like that one are prone to leaks.
just wanted to add this guy has some of the most knowledgeable and helpful videos ive seen.
@ benalbery2002 you don’t want any “penetration” in brazing. You are not trying to melt the base metal but have the brass or whatever flow all in and around the joint.
Nice Brazing DR. Thats such a great Idea, and stops no air flow