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Old 03-17-2017, 01:29 PM   #1
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Teaching myself to sweat copper pipe...


Hi all,
Well I have the bathroom reno happening and I want to do all the demo myself. I need to cap some pipes of course, and I will teach myself to sweat copper pipe (I've seen it on TV many times lol). When I cut the copper pipe with a pipe cutter, it leaves a little ridge on there, effectively making the ID smaller, is there a certain tool to (I think) deburr the ID? As you can tell I have not tried anything yet...

Thanks!
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Old 03-17-2017, 01:57 PM   #2
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Re: Teaching myself to sweat copper pipe...


Reamers, DeBurring tools is what I've called them. I wish you the best and let me add that I have the utmost respect for the plumbing trade after my feeble attempts at soldering. Although I'm decent enough, my joints never look as neat and it takes me several attempts to get it right. And, yes, the frustration when you have leaks is 2nd to none. Practice, practice, practice.
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Old 03-17-2017, 02:19 PM   #3
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Re: Teaching myself to sweat copper pipe...


One of these or the built in reamer on a good pair of cutters

http://www.homedepot.com/p/HDX-Debur...X090/204218603
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Old 03-17-2017, 02:21 PM   #4
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Re: Teaching myself to sweat copper pipe...


A lot of the copper tubing cutters have the reamer attached. It's steel pointed bit that swings out.
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Old 03-17-2017, 02:45 PM   #5
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Re: Teaching myself to sweat copper pipe...


I prefer the reamer (that sounds bad) to the deburring tool.

Cleanliness is close to Godliness when it comes to sweating pipes. The cleaner they are, the easier it it.
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Old 03-17-2017, 03:22 PM   #6
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Re: Teaching myself to sweat copper pipe...


I got real fancy and used a pair of pliers. Pushed them in the end of the pipe and twisted.
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Old 03-17-2017, 07:40 PM   #7
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Re: Teaching myself to sweat copper pipe...


Any reason not to use push fittings and pex? Way easier, especially if sweating in a confined spot

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Old 03-17-2017, 08:03 PM   #8
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Re: Teaching myself to sweat copper pipe...


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Originally Posted by chris35moto View Post
Any reason not to use push fittings and pex? Way easier, especially if sweating in a confined spot

Sent from my SM-G935V using Tapatalk

Yep, sometimes. Most try to avoid putting sharkbits in enclosed spaces like wall cavities and floor to ceiling spaces. The long term confidence level isn't there yet.

Converting to pex still requires sweating on a adapter.
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Old 03-17-2017, 08:23 PM   #9
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Re: Teaching myself to sweat copper pipe...


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Yep, sometimes. Most try to avoid putting sharkbits in enclosed spaces like wall cavities and floor to ceiling spaces. The long term confidence level isn't there yet.

Converting to pex still requires sweating on a adapter.
Are shark bites known to fail? I tiled over 3 push fittings... hopefully mine don't burst lol

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Old 03-17-2017, 08:38 PM   #10
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Re: Teaching myself to sweat copper pipe...


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Originally Posted by chris35moto View Post
Are shark bites known to fail? I tiled over 3 push fittings... hopefully mine don't burst lol

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Not necessarily. I have installed dozens of them, and as far as I know all are still in service. Not trying to scare anyone. Am just not 100% confident in the long term durability.
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Old 03-17-2017, 09:23 PM   #11
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Re: Teaching myself to sweat copper pipe...


Once these techniques are learned soldering tubing is a snap. It gets more challenging when a second joint needs to be soldered without melting the first in close proximity. That's when the 15 differential melting temperature of the second solder joint plays a major role.

Soldering can be fun.

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Old 03-23-2017, 01:33 PM   #12
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Re: Teaching myself to sweat copper pipe...


Thanks guys!

OK another question, some of the first caps I have to put on are near a length of PVC pip, what is the best way to shield the PVC and keep it from melting?

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Old 03-23-2017, 01:41 PM   #13
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Re: Teaching myself to sweat copper pipe...


A few wraps of a wet cotton rag wrapped around the PVC and cover that with aluminum foil will probably do it.
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Old 03-23-2017, 03:58 PM   #14
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Re: Teaching myself to sweat copper pipe...


I use a piece of 3/8" plywood behind the piece being sweated to take the heat. I also have a 6"x9" flexible shield that can squeeze into tight places to handle the flame. It has eyelets so you can drive a screw and hang it in place.

Always have a spray bottle of water handy when sweating in a wall. My brother in law burned half his second floor down sweating a pipe in a stud bay. He hadn't taken any precautions and had no water handy.

In my locale shark bites are not to be placed in inaccessible areas. I've had good luck sweating on a pex adapter to which I attach the pex with a crimp ring. You can seal that in a wall. If you do enough of them it's cheaper than shark bites.
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Old 03-23-2017, 06:29 PM   #15
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Re: Teaching myself to sweat copper pipe...


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Originally Posted by donste2010 View Post
Thanks guys!

OK another question, some of the first caps I have to put on are near a length of PVC pip, what is the best way to shield the PVC and keep it from melting?

I use drywall scraps. The paper will turn black but drywall doesn't burn very well.
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