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Compression Fit white plastic pipe (J, under sink)


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#1 weep er

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Posted 03 February 2019 - 06:55 PM

Under my kitchen sink, this had completely come apart. I purposely keep a basin under sinks because I have a deep fear of this happening. This happened under a bathroom sink in my last place.

I pushed it back together and there are no leaks. But- What made it come apart? Something slow over time? Should I periodically check on this? Replace it?

It seems like a pretty tight fit. I don’t get it. The basin had started to overflow onto the floor, so it must have busted overnight when the dishwasher ran.

Edited by weep er, 03 February 2019 - 07:07 PM.

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#2 Dave McG

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Posted 03 February 2019 - 07:03 PM

None should really be pressure fit. Post a quick photo if possible. There is PVC, which should be glued, and polyethylene pipes which use a compression fitting. I'm assuming you are not talking about any type of metal pipes.
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#3 weep er

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Posted 03 February 2019 - 07:05 PM

I said PVC because they’re white plastic
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#4 BrewerGeorge

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Posted 03 February 2019 - 07:05 PM

IME, sometimes they just get slippery and loose after a few years. I think maybe the vibrations from the garbage disposal does something.

#5 miccullen

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Posted 03 February 2019 - 07:05 PM

None should really be pressure fit. Post a quick photo if possible. There is PVC, which should be glued, and polyethylene pipes which use a compression fitting. I'm assuming you are not talking about any type of metal pipes.

I am assuming it's a compressin fit


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#6 weep er

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Posted 03 February 2019 - 07:05 PM

I tried. :)

Pressure fit is so different than compression fit? Sheesh.

Edited by weep er, 03 February 2019 - 07:06 PM.

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#7 Dave McG

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Posted 03 February 2019 - 07:06 PM

I said PVC because they’re white plastic

Both PVC and polyethylene are white plastic.
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#8 weep er

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Posted 03 February 2019 - 07:07 PM

Both PVC and polyethylene are white plastic.

Mansplaining???

J/k
Who knew!

Edited by weep er, 03 February 2019 - 07:08 PM.

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#9 miccullen

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Posted 03 February 2019 - 07:09 PM

IME, sometimes they just get slippery and loose after a few years. I think maybe the vibrations from the garbage disposal does something.

I've had one leak and cause damage, now, I keep a dollar store bucket under them and check the nut periodically.


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#10 weep er

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Posted 03 February 2019 - 07:10 PM

I've had one leak and cause damage, now, I keep a dollar store bucket under them and check the nut periodically.


Ok, so I guess I already have the solution. “Live in fear.”
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#11 BrewerGeorge

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Posted 03 February 2019 - 07:11 PM

I had one that kept coming apart. Spent. Five bucks and half an hour and it hasn't leaked since.

#12 Ford Maddox

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Posted 03 February 2019 - 07:37 PM

I keep a dollar store bucket under them and check the nut periodically.


Yep... never had any damage but just as a back up
I have the lil buckets underneath
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#13 miccullen

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Posted 03 February 2019 - 07:39 PM

Yep... never had any damage but just as a back up
I have the lil buckets underneath

and, you always know where to find a bucket 


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#14 Ford Maddox

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Posted 03 February 2019 - 07:40 PM

Exacto
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#15 BrewerGeorge

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Posted 03 February 2019 - 07:41 PM

My wife "fixed" this problem once with chewing gum. Absolutely literally.

#16 miccullen

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Posted 03 February 2019 - 07:45 PM

My wife "fixed" this problem once with chewing gum. Absolutely literally.

:lol:


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#17 Trub L

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Posted 03 February 2019 - 07:52 PM

I said PVC because they’re white plastic

Yep. PVC 1.5 inch compression is pretty common under a sink. If the compression ring looks okay, reseat it and tighten down the nut securely. Sometimes extra hot water makes them come loose. Sometimes the sprayer hose can get caught on things down there and pull it loose too.
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#18 Lee in Texas

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Posted 03 February 2019 - 08:20 PM

This typically happens when the pipe doesn't go far enough into the fitting. Vibrations, like from the disposal, can shake it enough that the pipe slips out of the fitting. This can be fixed by replacing the short pipe with one that is a little longer.

Can you post a pic?
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#19 MakeMeHoppy

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Posted 03 February 2019 - 09:19 PM

if you can't post a pic can you at least whip up an MS Paint rendering  I mean Lego stop motion video?   LOL


Edited by MakeMeHoppy, 03 February 2019 - 09:23 PM.

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#20 Dave

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Posted 04 February 2019 - 06:49 AM

And the 'J' is called a P Trap 


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