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Old 02-06-2019, 10:22 PM   #1
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Tub spout won't tighten


No matter how much I tighten the set screw, the brand new tub spout can still pull right off.

The copper stub spins also if that tells you anything.
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Old 02-07-2019, 05:40 AM   #2
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Re: Tub spout won't tighten


Tell us more.
Take the spout off the wall. Put a short piece of 1/2" copper pipe in and tighten the set screw. That way you can see what is happening inside the spout.
Quote:
The copper stub spins also if that tells you anything.
Do you mean that the pipe coming out of the wall spins?
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Old 02-07-2019, 06:31 AM   #3
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Re: Tub spout won't tighten


The stub should not be spinning. The solder broke or if used with a adapter, the adapter threads have become loose.

Maybe the spout should be changed. Could be it is too low quality? Also, is the stub long enough? Maybe it is too short and the set screw isn't catching the pipe? I remember that one "universal" spout was tricky to install. Was there a bushing that you had to use? Possilbe that the set screw stripped - possible with plastic body spouts.
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Old 02-07-2019, 06:41 AM   #4
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Re: Tub spout won't tighten


All great ideas, one other one I've ran into was the threads in the spout where so poorly formed the screw would not go all the way in.
I had to retap the threads.
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Old 02-07-2019, 12:10 PM   #5
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Re: Tub spout won't tighten


They may have used a shark bite to 90 out to the tub spout. I think you can spin the pipe in a shark bite. I think
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Old 02-07-2019, 12:56 PM   #6
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Quote:
Originally Posted by hkstroud View Post
Put a short piece of 1/2" copper pipe in
What do you mean? Isn't that what the stub itself is?
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Old 02-07-2019, 12:57 PM   #7
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Quote:
Originally Posted by ct18 View Post
They may have used a shark bite to 90 out to the tub spout. I think you can spin the pipe in a shark bite. I think
That's right I did use a SharkBite I just replaced it less than 2 weeks ago.
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Old 02-07-2019, 12:59 PM   #8
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Here's some more info. I keep forgetting to tell the whole story. it set properly just yesterday, but I removed it because there was a little space where you could see the copper between the spout and the wall. I cut a piece of copper from the stub (less than 1/2 inch) and now I can't set it back.

https://www.dropbox.com/s/vfcgynid77...91350.mp4?dl=0
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Old 02-07-2019, 02:41 PM   #9
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Re: Tub spout won't tighten


Yes, a pipe will spin in a SharkBite fitting.
Quote:
now I can't set it back.
Don't know what you mean by that unless you mean that now the pipe won't fit back into the spout where the set screw is.

If that's the case it means you tightened the tubing cutter down to much when you started cutting the 1/2" off the end. Now the end of the pipe is oblong not round.
If you can access the SharkBite elbow remove the existing piece of pipe and replace it using the one that is in now to measure the length.


You could try tapping on a 1/2" coupling to round out the end of the pipe while still in the wall.
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Old 02-07-2019, 09:28 PM   #10
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Re: Tub spout won't tighten


Quote:
Originally Posted by hkstroud View Post
Yes, a pipe will spin in a SharkBite fitting.
Don't know what you mean by that unless you mean that now the pipe won't fit back into the spout where the set screw is.

If that's the case it means you tightened the tubing cutter down to much when you started cutting the 1/2" off the end. Now the end of the pipe is oblong not round.
If you can access the SharkBite elbow remove the existing piece of pipe and replace it using the one that is in now to measure the length.


You could try tapping on a 1/2" coupling to round out the end of the pipe while still in the wall.

The spout fits on to the copper stub. But I can spin an Allen wrench endlessly and the set screw will never tighten enough so that I can't just pull the spout right off with my hand.
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Old 02-08-2019, 07:56 AM   #11
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Re: Tub spout won't tighten


The threads of the hole that the set screw fits into are stripped. Take the set screw out. Go to Home Depot or Lowe's and in the Nuts and Bolts section you should find a place where you can determine its size and thread. Purchase a set screw the next size up and a matching drill bit and tap kit. Drill out hole and re-tap it.
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Old 02-09-2019, 08:58 PM   #12
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I solved the problem of being able to set the screw. Apparently, there was a metal piece that had shifted towards the front of the spout that the screw was supposed to go through before it went through the plastic part.

But now I am back to my original problem... You can see too much of the copper coming out of the wall. I'm starting to think that it's not the length of the copper stub, but perhaps the angle at which it comes out of the wall? What do you think?

I cut the opposing wall open so I can do whatever I need to do with the Sharkbite.
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Old 02-10-2019, 09:02 PM   #13
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Re: Tub spout won't tighten


The valve is probably secured to the cross brace at the supply lines which are CPVC and flexible. You need to find some strapping, wrap it around the SharkBite ninety and then tack it to the bottom of the cross brace.
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Old 02-10-2019, 11:53 PM   #14
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Quote:
Originally Posted by hkstroud View Post
The valve is probably secured to the cross brace at the supply lines which are CPVC and flexible. You need to find some strapping, wrap it around the SharkBite ninety and then tack it to the bottom of the cross brace.
Like this strapping that I cut while I was cutting the old copper? Should I just replace with that same kind or get something newer?

Also, the diverter is leaking slightly. It leaks while either set to tub or shower. Should I assume it's the "white" washer (dirty white) that I am pushing up?
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Old 02-11-2019, 12:23 AM   #15
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Re: Tub spout won't tighten


Quote:
Like this strapping that I cut while I was cutting the old copper?
Yes.
Quote:
Also, the diverter is leaking slightly. Should I assume it's the "white" washer (dirty white) that I am pushing up?
No.
Where is the leak?
If leaking around the stem, tighten bonnet nut.
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Last edited by hkstroud; 02-11-2019 at 12:30 AM.
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