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Old 04-08-2015, 07:49 PM   #1
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What is this connection called?


Can anyone tell me what this type of connection is called? It is the pipe that connects to my tub spout. I have searched online, but I cannot find any information. I purchased a "universal" tub spout at Home Depot, but apparently it's not 100% universal. This pipe appears to be 3/4 inch and made of brass(?). It's definitely not copper. The connection is not threaded but appears to push onto the old spout.

A photo is attached.
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Old 04-08-2015, 07:57 PM   #2
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Got a real mess there.
That whole corroded old steel nipple needs to come out, nothings going to work with what you have there now.
I'd be amazed if that old steel nipple will even come unscrewed, but if it does come out without breaking off replace it with copper pipe.
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Old 04-08-2015, 07:58 PM   #3
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that brass fitting is part of the old tub spout and need to be unscrewed from the steel pipe----

The steel pipe is really rusty so be careful----use two pipe wrenches--one to hold the steel pipe and another to unscrew the old brass fitting.

Some heat and maybe a penetrating oil may be needed to get that off.
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Old 04-08-2015, 07:59 PM   #4
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Joe was a little more blunt than me--but I agree--that one might turn into a real difficult job.
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Old 04-08-2015, 08:02 PM   #5
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I know. It's much more corroded than I anticipated. My house is about 50 years old, and I'm not sure when it was last replaced. There was no caulking around the spout where it meets the wall, so water was getting inside. Are you saying that the end, that sort of bumpy part, can be removed? I was thinking that, and I tried to see if I would unscrew, but it didn't budge, and I don't want to make a bigger problem by breaking the pipe. Thanks for the reply though.
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Old 04-08-2015, 08:08 PM   #6
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Thank you so much for all the quick replies! Now I understand. I was thinking it much need to be unscrewed. I have a heat gun, so I think I may try that. If it doesn't want to budge, then I will wait until I can call a professional.
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Old 04-08-2015, 08:12 PM   #7
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Just the joys of working with old steel pipe, it always rust out, the threads fail first, always leaves rust stains on the fixtures, almost always breaks off when trying to remove it.
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Old 04-08-2015, 08:12 PM   #8
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What will happen is that the minute you apply any kind of pressure, that pipe will turn into a pile of rust.



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Old 04-08-2015, 08:23 PM   #9
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Karen- probably the best approach is to put a pipe wrench on the brass piece and attempt to turn counter clockwise to loosen it.
Either the brass will come loose or the nipple will from the 90 inside the wall- which is ok.

There is a good chance that the nipple is the wrong length for your new spout anyways. It may need to be a touch longer or shorter.
If the nipple comes out, you can then calculate the length of a new one and screw it in using pipe sealant and teflon tape.
If it stays in and the brass comes off- go ahead and try the new spout for fit. Tape and dope all threads.
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Old 04-08-2015, 08:27 PM   #10
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That is why you need to use two wrenches---you do not want that pipe breaking inside of the wall----

Heat that up ( a torch is the best way) add some penetrating oil when it cools a bit---then heat again in an hour--get both wrenches out and give it a try---


EDIT---try Eplumbers method----I agree--that is a good way.
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Last edited by oh'mike; 04-08-2015 at 08:29 PM. Reason: I like Eplumbers suggestion
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Old 04-08-2015, 08:41 PM   #11
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TheEplumber, thank you for another quick and excellent reply. I was thinking that also about the other end unscrewing from the main pipe, and then I could just replace the entire thing. Of all the home improvement projects I do, pluming makes me the most nervous. I have these wild fears that water is going to come bursting out and flood my entire house if I do something wrong. It scares me even more than electricity. I have learned a lot since owning my house though.
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Old 04-08-2015, 08:43 PM   #12
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oh'mike, thank you again. I don't have a torch, but they are pretty cheap at Walmart for a small one. I understand what you are saying completely. I'll go slow, and see what happens.
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Old 04-08-2015, 09:15 PM   #13
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Quote:
Originally Posted by karenfromusa View Post
oh'mike, thank you again. I don't have a torch, but they are pretty cheap at Walmart for a small one. I understand what you are saying completely. I'll go slow, and see what happens.
Thats the best approach- nice and slow- plan ahead for the "what ifs"
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