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Old 07-16-2011, 07:50 PM   #1
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Drain Pipe


Is there anything wrong with this setup? After I took the old sink out we put the new one in, the vertical and horizontal didn't line up like originally. I used a flexible pipe to get it to the wall.
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Old 07-16-2011, 11:10 PM   #2
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Drain Pipe


First of all you have the wrong type of T, should be a sani T joining your two sinks. Second, why not use a 22.5 deg fitting to correct angle? The flex pipe may allow build up of sludge inside due to ridges.

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Old 07-16-2011, 11:25 PM   #3
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First of all you have the wrong type of T, should be a sani T joining your two sinks. Second, why not use a 22.5 deg fitting to correct angle? The flex pipe may allow build up of sludge inside due to ridges.
The T comes from a garbage disposal. It is exactly how the original sink was set up actually. How would you put the 22.5 deg fitting on it? Other than the possibility of sludge build up (which I originally was concerned about), will this work?
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Old 07-17-2011, 12:13 AM   #4
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It is exactly how the original sink was set up actually.
Doesn't mean it was right.

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How would you put the 22.5 deg fitting on it?
Sorry, I guess I wasn't clear. The 22.5 deg elbow should be coming off the pipe coming out from the wall. Then you would adjust the P trap to line it all up properly, get rid of the flex pipe, and use rigid to connect it all.

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Other than the possibility of sludge build up (which I originally was concerned about), will this work?
I don't know as I've never used it.
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Old 07-17-2011, 12:26 AM   #5
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Doesn't mean it was right.



Sorry, I guess I wasn't clear. The 22.5 deg elbow should be coming off the pipe coming out from the wall. Then you would adjust the P trap to line it all up properly, get rid of the flex pipe, and use rigid to connect it all.



I don't know as I've never used it.
So I keep the 90 deg elbow coming off the p trap, hook it up to the 22.5, and then then hook it to the rigid going into the wall?
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Old 07-17-2011, 12:27 AM   #6
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How did you join the flex pipe to the vertical pipe behind the cabinet? All compression nuts should be exposed if thats what you used. Extend sch 40 pvc out of the wall and use a 22 or 45 as suggested to align to your trap. Then use a pvc trap adapter to connect to your trap. The tee appears to be a continuous waste tee which is acceptable where in my area.
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Old 07-17-2011, 12:31 AM   #7
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So I keep the 90 deg elbow coming off the p trap,
Yes.

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...hook it up to the 22.5, and then then hook it to the rigid going into the wall?
No. 22.5 deg elbow attaches to pipe coming out of the wall. Rigid pipe goes between the 22.5 deg elbow and the 90 deg elbow.
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Old 07-17-2011, 12:34 AM   #8
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How did you join the flex pipe to the vertical pipe behind the cabinet? All compression nuts should be exposed if thats what you used. Extend sch 40 pvc out of the wall and use a 22 or 45 as suggested to align to your trap. Then use a pvc trap adapter to connect to your trap. The tee appears to be a continuous waste tee which is acceptable where in my area.
It has a copper nut on it, that is similar to the white tighteners used to keep it tight.
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Old 07-17-2011, 12:35 AM   #9
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Yes.



No. 22.5 deg elbow attaches to pipe coming out of the wall. Rigid pipe goes between the 22.5 deg elbow and the 90 deg elbow.
Allright. I'll have to check tomorrow and see if the local hardware store even has any.
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Old 07-17-2011, 12:57 PM   #10
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Will this work better?
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Old 07-18-2011, 11:00 PM   #11
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I can't say that this looks much better. How is the flex pipe attached to the trap? It looks to me like it's just pushed in.
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Old 07-18-2011, 11:13 PM   #12
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I can't say that this looks much better. How is the flex pipe attached to the trap? It looks to me like it's just pushed in.
The trap is all one piece, in which part of it is flexible. Now I can't figure out why it is leaking from under the compression nut that attaches it to the 90 deg elbow. Will silicone on the threads solve this problem? It's a slow drip.
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Old 07-18-2011, 11:23 PM   #13
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You probably just need to loosen it off and re-thread.
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Old 07-18-2011, 11:48 PM   #14
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You probably just need to loosen it off and re-thread.
I've tried that a couple times, as well as trying different compression nuts. Also, tried another flexible p trap. Still leaks. I haven't tried a different 90 deg elbow yet though. It's almost like I am missing something, but I can't figure out what it is.
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Old 07-19-2011, 12:20 AM   #15
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Disassemble the trap, check the mating surfaces of the 90 for imperfections. Coat those surfaces and the trap threads with a then layer of teflon non hardening pipe dope. Reassemble the trap by tightening the 90 first then the flex part. The dope will fill any voids on the mating surfaces and help lube the threads for a little extra turn while tightening.

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