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Old 02-26-2013, 11:19 PM   #1
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Broken slip joint nut (metal drain pipe)


I just installed a new faucet and the drain that came with it. In removing the slip nut joining the trap to the pipe coming out of the wall, the nut basically tore on the top side of it so that it exposes the lip beneath it and it can actually now be rocked side to side (left and right in the picture) because of the piece of the slip nut that's gone. Of course it's leaking.

I guess no one ever thought this nut could get damaged because the lip on that pipe prevents the nut from being removed. It seems like it should be designed the other way around, so that that pipe would have threads and the nut and the lip would be on the easily replaceable trap. Whatever.

Anyway: I'm attaching a picture of the pipe with the escutcheon pulled back and asking the question: What do you think I should do? This building was built in 1986 FYI, if that's a hint as to what kind of pipes we're dealing with. Basically, I am trying to figure out if this will be a bother to try to do myself, or if I should get someone professional to do it. My relevant tools consist of channel-locks, a cheap adjustable wrench, a Vise-Grip, and that's about it. My experience is... not a lot but I'm decent at following instructions.
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Broken slip joint nut (metal drain pipe)-photo-2.jpg   Broken slip joint nut (metal drain pipe)-photo-1.jpg  


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Old 02-27-2013, 03:17 AM   #2
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Broken slip joint nut (metal drain pipe)

Replace it!


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Old 02-27-2013, 06:12 AM   #3
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Broken slip joint nut (metal drain pipe)

Happens all the time.
Reason being is what you have now is old steel drains in the walls that at some point will all start leaking and close up on the insides from rust that's in direct contact with a brass or bronze nut which will start to corrode as soon as it's installed.
Replace the whole drain trap and all with PVC and never have to touch it again.
About a $5.00 fix.
May have to take a triangler file and a wire brush to the threads on the nipple sticking out of the wall of add some pipe tape to the threads to clean it up enough to get a new nut on.

1/2 The time I have to cut that nut in 1/2 to even get it off.
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Old 02-27-2013, 08:39 AM   #4
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Broken slip joint nut (metal drain pipe)

JoeC's got it again If you dont own a dremel with reinforced cut off wheels, nows the time to get one. Remove the P trap. Chances are good some of the end threads will come off the end of the nipple, and you wont be able to use the threads on the stub out. Clean out the stub out and branch line and use a rubber fernco coupling to your new P trap. You will have to cut the wall out some to get the fernco and a wrench in there. Judging by the looks of the stub out, getting a new trap nut on there will be futile, and will constantly leak. You will need to clean up the outside of the pipe with emory, and you might want to coat the outside of the stub out with clear silicone before sliding on the fernco coupling.

To properly test your work, fill sink up and pull the plug.

As Joe said, you will eventually need to replace the galvanized pipe. How old is it, about 60 years?
" A lot of men build things, and a lot of things fall down "

Last edited by jagans; 02-27-2013 at 08:48 AM.
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drain , drainpipe , leak , trap

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