1.25 sink drain to 1.50 P trap?


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Old 10-25-20, 02:08 PM
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1.25 sink drain to 1.50 P trap?

Bathroom sink has been making a bad odor. I though the P trap needed cleaning. When I went to unscrew the plastic wing nut things, I noticed the part between the sink drain and P trap was loose. I am surprised no water had leaked out from it.

I measured it and the drain pipe from the sink outer diameter is 1.25" and inside the trap is 1.50". There was a little plastic washer looking thing but it has an extremely large amount of play on the 1.25" pipe. I can have that plastic washer on the 1.25" and stick a screw driver shaft between the washer and pipe, that is how much play there is.

Is this just a super worn out washer? Or did the previous owner of my house Jimmy rig this? Do I need to somehow make my sink drain pipe 1.50" or is there a big washer that can accommodate the 1.25" to 1.50"? I don't know what I am looking for at Home Depot or Lowe's so if you guys know what I need it would be greatly appreciated if you tell me so I can go buy this to fix this.
 
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Old 10-25-20, 03:29 PM
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Typically 1 1/2" trap kits will come with 2 washers depending on the size of the tailpiece... you use one or the other. Replacing the trap is a cheap way to get rid of the odor.
 
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Old 10-26-20, 05:06 AM
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There are two sizes of slip washers that go over the drain pipe. They are the same diameter on the outside but the inner hole will either be 1 1/4" or 1 1/2" to fit your sink's drain pipe.

 
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Old 10-27-20, 07:27 PM
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Pilot Dane thank you so much, that is the exact information I needed and was able to fix my issue thanks to your comment and picture!
 
 

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