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Old 02-07-2013, 07:14 PM   #16
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Toilet water supply valve compression ring corroded - how to unscrew the nut now?


If this is actually a compression fitting that uses a ferrule I'd like one more chance to solve the riddle. When it was installed the nut was tightened way beyond the normal limit and that tends to bell the tubing end and it often can't be pulled apart.

After you cut this thing off Oh PLEASE split the valve so you can get it apart so we can all see the why for and sleep better.

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Old 02-10-2013, 09:06 PM   #17
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Toilet water supply valve compression ring corroded - how to unscrew the nut now?


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If this is actually a compression fitting that uses a ferrule I'd like one more chance to solve the riddle. When it was installed the nut was tightened way beyond the normal limit and that tends to bell the tubing end and it often can't be pulled apart.

After you cut this thing off Oh PLEASE split the valve so you can get it apart so we can all see the why for and sleep better.

Haha. I've cut the blinking thing off and made a video! I made the video because my riddle continues. Now I'm trying to put the new valve on and the new nut keeps turning on the copper pipe! I've tightened the valve to the nut pretty tight but the nut keeps turning on the pipe PLUS the thing is leaking when I turn the water on. WHAT DO I DO NOW?

Do I try and unscrew and remove this new valve & nut? Should I try one of those sharkfit types another guy recommended? Do I try and use teflon tape? If so, where do I put it? On the copper pipe? I know that normally, it would go on the threads of the valve but that's not where its leaking.

As far as I could tell, the old nut and new nut are the same size. Here are the specs of the new valve assembly:
Brasscraft brand, 1/4 turn ball valve
KTCR19 C.
Angle-chrome
1/2" nom. compr. x 3/8" O.D. Compr.

My copper pipe is inside diameter 1/2", outside diameter 5/8".

Hopefully, this video makes things clearer....start watching at 1:28 after I stop talking about the Astor Bidet attachment: http://www.youtube.com/watch?v=_LbJ-CfYnfQ

Help please

Last edited by Jenju; 02-10-2013 at 09:21 PM. Reason: not finished
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Old 02-10-2013, 09:08 PM   #18
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Toilet water supply valve compression ring corroded - how to unscrew the nut now?


Dude Call a Plumber.
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Old 02-10-2013, 09:15 PM   #19
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Toilet water supply valve compression ring corroded - how to unscrew the nut now?


POST a picture of the new valve and a close up of the pipe if possible, couple things could be wrong.
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Old 02-10-2013, 09:22 PM   #20
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Toilet water supply valve compression ring corroded - how to unscrew the nut now?


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POST a picture of the new valve and a close up of the pipe if possible, couple things could be wrong.
and a video link....
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Old 02-10-2013, 09:36 PM   #21
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Toilet water supply valve compression ring corroded - how to unscrew the nut now?


Quote:
Originally Posted by TheEplumber View Post
and a video link....

http://www.youtube.com/watch?v=_LbJ-CfYnfQ

I just watch the video. You have to get toward the end to see the problem. To the original poster. I'm not sure i'm going to leave it to eplumber or somebody else Sorry you sound like a nice women.

Last edited by 747; 02-10-2013 at 09:42 PM.
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Old 02-10-2013, 09:47 PM   #22
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Toilet water supply valve compression ring corroded - how to unscrew the nut now?


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Originally Posted by TheEplumber View Post
and a video link....

Here it is!

http://www.youtube.com/watch?v=_LbJ-CfYnfQ
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Old 02-10-2013, 09:48 PM   #23
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Toilet water supply valve compression ring corroded - how to unscrew the nut now?


Quote:
Originally Posted by Javiles View Post
POST a picture of the new valve and a close up of the pipe if possible, couple things could be wrong.

How about a video!

http://www.youtube.com/watch?v=_LbJ-CfYnfQ
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Old 02-10-2013, 10:33 PM   #24
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Toilet water supply valve compression ring corroded - how to unscrew the nut now?


I have had occasions were i just could not get those things to stop leaking usually i just use a little pipe dope around the compression ring front and back that should do the trick. if there was any imperfections on that copper pipe it will leak, the pipe dope will help in the sealing.
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Old 02-10-2013, 10:50 PM   #25
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Toilet water supply valve compression ring corroded - how to unscrew the nut now?


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I have had occasions were i just could not get those things to stop leaking usually i just use a little pipe dope around the compression ring front and back that should do the trick. if there was any imperfections on that copper pipe it will leak, the pipe dope will help in the sealing.
The shop I apprenticed with made us use a splash of pipe dope on compression fittings- its a habit now
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Old 02-19-2013, 01:35 PM   #26
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Toilet water supply valve compression ring corroded - how to unscrew the nut now?


Use a pair of larger wrenches or slip a cheater over your wrenches. Was the pipe cleaned with emery before youinstalled the new valve. And did you debur the pipe after you cut it so the valve would set all the way onto the pipe when you installed it. Plus that teflon paste pipe dope, not rectum seal will help overcome any temporary weenie arm from poor angle or whatnot. Don't be afraid to turn it, it is metal, just be sure it is backed up correctly.
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Old 02-19-2013, 05:50 PM   #27
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Toilet water supply valve compression ring corroded - how to unscrew the nut now?


QUOTE: I've tightened the valve to the nut pretty tight but the nut keeps turning on the pipe PLUS the thing is leaking when I turn the water on. WHAT DO I DO NOW?

************************************************** *******************
You screw the hex nut back off and put a little oil on the valve threads and the brass ferrule for lubrication. Any kind, Singer sewing machine oil, 3 -in -one, 30 wt.motor oil, or even my favorite, water proof plumbers grease. Now reassemble and screw the nut on the valve until the nut is finger tight. Next is what really counts if you want no leaks. From finger tight continue to tighten the nut 1 (one) round. This will set the brass ferrule on the tubing and make the seal. If one round can't be determined because of physical impediments, mark a flat on the nut with a felt pen and turn the nut 6 hexes.

As a free added bonus, In case you ever take the valve off and re-install it without a new ferrule the ferrule will not be required to be swaged ( squeezed to make smaller ) again, it's already been there done that. So when the nut is tightened it will feel real solid real quickly and that's where you stop tightening on a re-used brass ferrule.

I've worked enough stainless and copper tubing with ferrule fittings from 5 to 900 pounds pressure to know what works.
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Old 02-19-2013, 07:38 PM   #28
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Toilet water supply valve compression ring corroded - how to unscrew the nut now?


Unlubricated stainless will always gaul and weld together. Graphite suspended in alchohol allows a better chance of removal than oil that will dry out and crust. But for one time it works. It appears to be one of the vintage compression fittings with the short nut. Use a dremel carefully and it willeasily cut one side and spread. Also, a little heat will often cause enough difference in expansion if just the nut is heated to give the needed clearance to get it moving. A plumbers torch or heatgun on high to just the nut might have done it also.
Have never had a problem with brass threads gauling. Plumbers grease is good as silicone is an excellent lubricant. As is teflon paste. As we all know teflon is not a sealant but lubricant that allows further tightness of the connection. Pipe joints the Plumbers/Steamfitters taught method is Rector Seal #5 coated threads then wrapped with teflon tape. Have never had a joint leak. Rectum seals and teflon lubes for tighter makeup.
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Old 02-19-2013, 08:20 PM   #29
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Toilet water supply valve compression ring corroded - how to unscrew the nut now?


For greater leverage, keep the wrench handles as close together as possible : For example 11:00 and 12:00 position. The closer they are, the easier it will be to put the extra force needed on them to get that nut just a little tighter.


Just to be safe :

1 : Shut the water back off to the whole house

2 : Relieve the pressure from the system

3 : Remove the new valve

4 : Run a piece of emery cloth over the ferrule if it looks a little corroded or whatnot. Clean it with the emery cloth until it is BRIGHT.

5 : put a dab of teflon paste on the mating surface of the ferrule.

6 : Replace the valve and try again.

If you still can't get it tight enough, try one of these : http://www.homedepot.com/buy/ridgid-...l#.USQyYqVJOAg

It makes tightening angle stops a cinch in tight spaces. The only thing you have to be careful of is when you stick the 3/8 end INTO the valve, you have to have the nut and ferrule on the valve, and HAND TIGHT otherwise the wrench will elongate the 3/8 thread and you will not be able to get any fitting to screw onto it.


Post back with results!
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Old 02-19-2013, 08:50 PM   #30
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Toilet water supply valve compression ring corroded - how to unscrew the nut now?


Man, Alan beat me too it. Let us know what you think of the Bidet. I read they start out sort of strong.

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