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This metal p-trap in my kitchen has rusted out at the bottom and is leaking. I removed it and in this case the nut goes on the trap side and the piece it connects to is threaded. I'm used to seeing the opposite where the trap is threaded. All the traps I saw at HD were threaded as well so wasn't sure what to purchase to repair this.

P-trap under kitchen sink

P-trap removed

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    Can you get a clearer picture of the pipes behind the elbow in the wall? – Hari Ganti Nov 28 '17 at 19:19
  • Is the chrome pipe leaded into the wall pipe? – JPhi1618 Nov 28 '17 at 20:38
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You should be able to find a replacement pretty easily. I put "home depot p trap" into Google and came up with the following product in under a minute:

P-Trap with nut on trap loop

I believe this would work for your application. Where I am, they list it as available in-store, so you should have luck finding it in store. Otherwise, you could order it. The one in the image is specifically called "1-1/2 in. Plastic J-Bend."

  • Thanks. The one I bought was reversed... didn't realize there were multiple types there. – What-About-Bob Nov 28 '17 at 19:29
  • Yep, there are a couple types. Coincidentally, I am doing a renovation in which I'm adding a sink, and the way I'm doing it is causing me a headache because of the complications in working with traps and vents. What's worse is that many different names (slip joint vs direct joint) and abbreviations (DWV) aren't really explained anywhere I've seen yet. – Hari Ganti Nov 28 '17 at 19:33
  • Those plastic threads aren't going to connect to his metal trap. And DWV is Drain Waste Vent if you were asking. – JPhi1618 Nov 28 '17 at 20:36
  • @JPhi1618 Trying it at the store, the threads mated fine... Why wouldn't they? Also, I imagine a repair J bend is also likely available in nickel brass. I also appreciate the clarification. I assumed it meant that, based on the use of the products, but I wasn't quite sure. – Hari Ganti Nov 30 '17 at 18:23
  • I assumed the metal threads were finer, and wouldn't work at all, but if the threads do fit, you still have to seal the connection. Metal pipes often use a rubber washer, whereas the plastic uses a plastic triangle-profile washer or a specially shaped plastic pipe to make a water tight fit. You might be able to cobble something together that mostly works - I just wouldn't tell someone else to do it. – JPhi1618 Nov 30 '17 at 18:26
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To elaborate on what Hari said, it's important to note that the most common kind of trap is for a PVC to PVC (compression fitting with top-screw). You have a chrome pipe there, so you need a P-trap that is threaded with the screw below.

Something he didn't mention is that, with chrome, you have to have a rubber washer. If I were you, however, I'd go ahead and replace the chrome wall tube as well (you have a reducing cap behind it). Then you can buy a PVC kit that contains both the trap and the wall tube. This will require a washer for that nut, but once it's done you don't need to worry about it again. The reason to do this is the PVC removes more easily if you have a clog. If that washer on the chrome dries out, you'll have to replace it potentially any time you need to remove the trap.

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Just wanted to add (for anyone else that comes across this like we did) that we have the exact same metal trap in our house and had to replace a leaking J-Bend that had rusted out as well. Bought the J-Bend that Hari posted at HD and it fit perfectly and formed a tight seal with a 1-1/4 in. washer (didn't seal at first with a 1-1/2 in. washer).

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