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Old 05-31-2013, 02:17 PM   #1
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Sink leaking between tailpiece and slip joint


Hello,

Need some help here. The previous owner cut the sinks tailpiece down to about 1" so a drawer would close. A 90 degree slip joint and pipe is then used to connect to the P trap. If you fill the sink and then release the stopper, water will leak where the tailpiece and 90 degree fitting meet. This also happens if you dump a bucket of water into the sink. I assume this is because the 1 1/4 pipe with a 90 degree bend can't handle the amount of water and it backs up out of the slip joint.

I am thinking of doing one of the following: 1. replace all of the slip joints with glued PVC until I get to the P trap. 2. Buying a new tailpiece and replacing the drawers so the pipe will fit. I would prefer option 1, am I missing something?

Thanks,
Ben

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Old 05-31-2013, 02:21 PM   #2
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Sink leaking between tailpiece and slip joint


pictures would make it a lot clearer

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Old 05-31-2013, 02:23 PM   #3
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Sink leaking between tailpiece and slip joint


Post a picture so we can see what your seeing.
I've often had to alter the drawer to make room for the drain.
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Old 05-31-2013, 02:57 PM   #4
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Sink leaking between tailpiece and slip joint


Will do. I am at work right now, but will post pictures in a few hours.
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Old 05-31-2013, 03:27 PM   #5
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Sink leaking between tailpiece and slip joint


have you tried replacing the slip joint washers?
You will have to upsize to 1.5" if you glue it- unless you can find 1.25" fittings.
Is the stub at the wall 1.5" or 1.25"
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Old 05-31-2013, 03:43 PM   #6
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Sink leaking between tailpiece and slip joint


+1

The washers are installed backwards (beveled ones) all the time.

I would leave it as a slip joint for easier servicing. It is a proven joint and works plenty well when done right.
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Old 05-31-2013, 04:46 PM   #7
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Sink leaking between tailpiece and slip joint


The washers need to go towards the threads. The Nut must be very tight. One turn past hand tight with a channel lock pliers

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