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Old 03-27-2011, 11:52 AM   #1
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Sink drain leaking, question


Hi,
I finally discovered that our laundry room sink is leaking at the drain.

We actually used a "bar" sink to for the deepest sink possible...in the color my wife approved of, of course :-)

The sink drain is also a "bar" sink drain type.

Before I rip into the drain and ruin something I thought I would ask the proper way to dis-assemble the drain.

I plan to take the drain out, apply some plumbers putty and tighten up...everything else seems fine.

I tried to hand tighten the bottom of the drain, but the drain spins in the sink. I was turnig the lower, larger nit...do I need to get a wrench on the flatter nut just below the sink while keeping it from spinning with a screw driver inserted into the drain?

It's cast iron and expensive, so I thought I'd get some knowledge before I dove into it.

Thanks for any how-to's you can tell me. Since I didn't install the sink, I didn't see how the drain went together.
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Last edited by bergerdude; 03-27-2011 at 12:02 PM.
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Old 03-27-2011, 12:24 PM   #2
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Sink drain leaking, question


You are on the right track. I would use needle nose pliers and hold the top drain piece while taking the nut off the bottom. Then put plumbers putty on the flange on top and maybe replace the rubber gasket on the bottom. Tighten it and put it all back together. If it is spinning now it either wasn't tight enough to begin with or the gasket on the bottom has deteriorated.

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Old 03-27-2011, 12:37 PM   #3
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Sink drain leaking, question


So the flattened nut on the bottom actually is around the sink flange I guess.

The lower, rounder nut below that must be simply for the connection to the pvc pipe then,
correct?

Thanks for the help/.
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Old 03-27-2011, 01:43 PM   #4
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Yes you are correct. Take the pvc pipe off then remove the drain.
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