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Old 11-03-2009, 05:49 PM   #61
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How To Solder Copper Pipes


Squirrel: CLEAN CLEAN CLEAN CLEAN AD INFINITUM !!!!!
once all parts are cleaned DO NOT TOUCH THE AREA with your hands, apply flux to ALL parts,make sure all pipes are bottomed into the fittings, heat AWAY from the joint and draw the solder into the joint, it will suck right into and run thru by itself and you will see it start to drip out, keep a rag with you and once soldered gently WIPE the joint. See it is that EZ. After a few hundred times it becomes second nature

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Old 11-03-2009, 07:47 PM   #62
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How To Solder Copper Pipes


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Squirrel: CLEAN CLEAN CLEAN CLEAN AD INFINITUM !!!!!
once all parts are cleaned DO NOT TOUCH THE AREA with your hands, apply flux to ALL parts,make sure all pipes are bottomed into the fittings, heat AWAY from the joint and draw the solder into the joint, it will suck right into and run thru by itself and you will see it start to drip out, keep a rag with you and once soldered gently WIPE the joint. See it is that EZ. After a few hundred times it becomes second nature
Yeah I'm sure it becomes easy and less "scary". I used to feel a bit the same way about electrical and now I'm doing it like 2nd nature. The other day was totally random. "it's kinda dark in this room" a minute latter I'm running a new socket from the existing light and have more light within half an hour.

What scares me with water pipes is the possible pending disaster if I screw up, but don't screw up bad enough for immediate issues. I have servers in my basement. Guess I'm just paranoid.
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Old 11-04-2009, 12:11 AM   #63
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How To Solder Copper Pipes


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Why not? The heat guns heat up to 1000 degrees, and from what I understand, the solder melts at 240 degrees. I saw a guy who said he does it without problems- but I really haven't seen too much info about it. I just bought a milwaukee heat gun (570/1000 degrees) hoping I could also use if for this purpose (in addition to others)- it even comes with an attachment for soldering pipe (hook nozzle).
Here it is-
http://www.milwaukeetool.com/Product...C%3a+Heat+Guns

Just wondering if anyone had tried this- otherwise will go with the torch.

Thanks.
Go with the torch. It is tried and true and inexpensive for a basic model that'll get the job done. Plus it is fun to melt things with fire. The idea is to get the fitting hot in a hurry, not to warm it up slowly. If too much time is taken...No matter how much heat you have...The flux will boil right out.

If heat guns worked for soldering copper pipes you'd see professional plumbers using them (and you don't). It would certainly be cheaper than a professional turbotorch and the associated gases and bottles that they have to pay to refill.
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Old 11-04-2009, 07:33 AM   #64
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How To Solder Copper Pipes


Can you refill the small propane & Mapp bottles?
Or are they just disposable ?
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Old 11-04-2009, 08:14 AM   #65
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How To Solder Copper Pipes


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Can you refill the small propane & Mapp bottles?
Or are they just disposable ?
The ones sold around here are not refillable. It should specify the parameters on the cannister.
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Old 12-08-2009, 06:22 AM   #66
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How To Solder Copper Pipes


Most soldering manuals state to wipe the solder joint with the dry rag imediately after soldering it. But my Dad always kept a soaking wet rag nearby and imediately after soldering would toss the rag onto the joint and you'd hear a sizzle. He's then take it and wipe the joint.

Are their negatives to using a wet rag vs a dry one? Will cooling the joint too fast cause problems or is this just one of the "To each his own" situations?
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Old 12-11-2009, 09:37 AM   #67
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How To Solder Copper Pipes


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Originally Posted by speedster1 View Post
Most soldering manuals state to wipe the solder joint with the dry rag imediately after soldering it. But my Dad always kept a soaking wet rag nearby and imediately after soldering would toss the rag onto the joint and you'd hear a sizzle. He's then take it and wipe the joint.

Are their negatives to using a wet rag vs a dry one? Will cooling the joint too fast cause problems or is this just one of the "To each his own" situations?
I have always used a wet rag to wipe soldered joints! In over 50 years, I have never had reason to believe that it led to a joint failure!
I had joints slip/remove befoe it has set and had to re-do the job!
Cooling with a wet rag minimizes the chance of the joint moving!
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Old 12-11-2009, 09:55 AM   #68
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How To Solder Copper Pipes


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Can you refill the small propane & Mapp bottles?
Or are they just disposable ?
I bought an adapter somewhere (Northern Industrial maybe??) to refill the small propane bottles for camp stove/lanterns. It screws into a regular 20lb bottle for the grill and you screw the small bottle to the other end. I would guess the threads on the bottles for soldering are the same. The Mapp gas would have to be filled at some sort of industrial gas supply/ welding supply and I don't think they'll refill the little bottles you buy at HD and Lowes.....
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Old 11-11-2012, 09:06 PM   #69
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I've always been told to lightly wrap ball valves with a wet rag. It seems to keep actual valve cooler.
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Old 11-13-2012, 12:20 PM   #70
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How To Solder Copper Pipes


Eastwood sells a heat absorbing paste, designed for auto bodywork, to keep welding heat from spreading across panels and warping them. I've always though that might be a good recipe for "coating" valves as a preventative against the heat damaging them. My concern though was it would be too effective, and absorb so much heat such that the valve never gets hot enough to properly solder the joint?

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