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Old 04-21-2013, 08:52 PM   #16
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How long after soldering copper fitting do you need to wait B4 you can run water thru


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and the cap shot right off like a bullet and hit me square in the balls.
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Old 04-21-2013, 10:21 PM   #17
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How long after soldering copper fitting do you need to wait B4 you can run water thru


Ya know, for some reason I don't feel so dumb now..............
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Old 04-22-2013, 02:40 AM   #18
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How long after soldering copper fitting do you need to wait B4 you can run water thru


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Well Im done. One connection was squirting water and the other had a stream running down it. I did a bunch of researching before trying and I still couldnt get it so Im just going to pay someone to put some copper to pvc fittings on and go with pvc.
With copper soldering, the metal has to be good and CLEAN inside and out where the solder goes, and enough flux used to coat it. If you got leaks like that either there were spots that didn't get clean enough, were not coated with flux, or you could have just gotten it too hot and started boiling the solder, or not hot enough.
It's an art and takes practice, but if you do the above properly, and use good solder not cheap stuff, you heat the joint not the stick of solder, and then let the heat of the pipe melt the solder when it contacts it, not the flame of the torch, and let the solder flow in the join till it stops, and then take the torch away and don't disturb the pipe for a couple of minutes while it cools.

Maybe a youtube video will help you, it is difficult to tell someone how via text.
Oh, and if this is a water pipe, you can't use lead solder any more, you need to use the lead-free solder which is mostly tin $$
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Old 04-22-2013, 02:47 AM   #19
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How long after soldering copper fitting do you need to wait B4 you can run water thru


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Ty for clearing this up for me i allways thought the flux helped it turn green faster when not wiped.
The flux like "No Korrode" is an acid, you really want to completely wipe it OFF and get rid of any residue, you don't really want the pipe to turn green- it will if you leave a residue on it or the pipe gets wet on the outside or is exposed to the weather it turns green the same as copper gutters and roofs do. If it happens it happens, but you dont want to force it to happen by leaving flux residue all over.
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Old 04-22-2013, 06:56 AM   #20
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How long after soldering copper fitting do you need to wait B4 you can run water thru


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Ty for clearing this up for me i allways thought the flux helped it turn green faster when not wiped.
I've also heard it's better to wipe off the flux. I always do. And the green stuff isn't called patina, it called verdigris (at least that's what we called it in the Navy).
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Old 04-22-2013, 07:54 AM   #21
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How long after soldering copper fitting do you need to wait B4 you can run water thru


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I've also heard it's better to wipe off the flux. I always do. And the green stuff isn't called patina, it called verdigris (at least that's what we called it in the Navy).
Verdigris is what happens when you apply Acetic acid, or Vinegar to Copper, Brass or Bronze. Also it is the proper name of the reaction that happens, when Copper, Bronze, Brass are exposed to the elements. The common name is Patina.

http://en.wikipedia.org/wiki/Verdigris
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Old 04-22-2013, 09:23 AM   #22
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How long after soldering copper fitting do you need to wait B4 you can run water thru


You should wait till the solder thoroughly cools to room temperature which can take about 20 minutes. Hitting hot solder with a wet cloth can cause it to crack. Washing the joint after it has cooled with soap and water is the way to remove remaining flux.

Leaking solder joints are usually the result of improper cleaning.
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Old 04-22-2013, 09:51 AM   #23
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How long after soldering copper fitting do you need to wait B4 you can run water thru


From my own experience, with someone who is new to soldering, a "leak" is more often caused by heating the solder rather than the joint. When you're new you don't know what to look for and think you're doing something wrong when it takes FOREVER (if you're using propane) to get the thing hot enough.
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Old 04-22-2013, 10:12 AM   #24
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From my own experience, with someone who is new to soldering, a "leak" is more often caused by heating the solder rather than the joint. When you're new you don't know what to look for and think you're doing something wrong when it takes FOREVER (if you're using propane) to get the thing hot enough.
It is a given that you heat the fitting not the actual joint. I have used a simple benrz-o-matic torch with propane to solder copper up to 3/4 inch for years and I have NEVER had a bad joint or a leak. I always use tinning flux, so I can see when the flux "Tins Off" I then follow up with wire solder and watch the capillary action suck the solder right into the joint. A small drip under the fitting is the telltale sign of a good joint. I like propane because it is not too hot. High Heat= Oxidation= flux burnoff= bad joint.
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Old 04-22-2013, 10:15 AM   #25
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How long after soldering copper fitting do you need to wait B4 you can run water thru


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It is a given that you heat the fitting not the actual joint. I have used a simple benrz-o-matic torch with propane to solder copper up to 3/4 inch for years and I have NEVER had a bad joint or a leak. I always use tinning flux, so I can see when the flux "Tins Off" I then follow up with wire solder and watch the capillary action suck the solder right into the joint. A small drip under the fitting is the telltale sign of a good joint. I like propane because it is not too hot. High Heat= Oxidation= flux burnoff= bad joint.
I understand that "it's a given." Doesn't mean it's not a common rookie mistake.
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Old 04-22-2013, 10:36 AM   #26
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How long after soldering copper fitting do you need to wait B4 you can run water thru


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I understand that "it's a given." Doesn't mean it's not a common rookie mistake.
IMO- lack of properly located heat or simply lack of heat is the #1 reason solder joints fail.
For over 2 decades I have soldered pipe ranging from 1/2"- 4".
I have been involved in unscientific "what if" tests and have decided that some steps people say are needed to solder don't always apply.
But 4 things are required- Clean material, flux, solder and heat.
The rest is a matter of opinion, preferences and jobsite conditions

How To Solder Copper Pipes
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Old 04-22-2013, 11:04 AM   #27
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How long after soldering copper fitting do you need to wait B4 you can run water thru


didn't have to call in somebody..should of just drained the line grab the soldered area with some steel wool..flux it and hit it again keeping the torch 1" away without moving it and when the exsisting flux gets wet go around the connect with the solder.as said you have to be super clean with soft solder..the fittings,connection ends even pull on a length of solder with steel wool and dip it in flux before applying it...always have a damp rag near by after the pipe/solder cools and then run it around the joints.
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Old 04-22-2013, 01:01 PM   #28
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How long after soldering copper fitting do you need to wait B4 you can run water thru


...reminds me of the first time I tried sweating a copper pipe. Didn't have a propane torch at the time, just a little butane torch. I read that you needed propane b/c butane didn't get hot enough. I thought what the heck and tried it anyways. Well after about 5min of heating I agreed with what everyone said. The solder wasn't even thinking about melting. Drove up the road to tractor supply, bought a benzomatic propane torch and haven't had any problems since. I've only sweat 1/2" pipe but I find that counting to 12 and then applying the solder is usually pretty good timing.
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Old 04-22-2013, 01:09 PM   #29
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How long after soldering copper fitting do you need to wait B4 you can run water thru


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I had that thought. But whats the lifespan on those things?
I've talked to plumbers who hate them and are positive that they are satanic, and some plumbers who think they are great and work fine.

I've used a few and they were unbelievably easy and are still working 2 years later.

Still not sure what to think. But my god the ease....
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Old 04-22-2013, 11:16 PM   #30
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Don't give up yet. Instead of bringing in someone you could try a compression fitting like this,

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