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Buddahriffic@lemmy.world ⁨3⁩ ⁨months⁩ ago

Thanks for the info!

Why does the p-trap need to be so close to the opening? As long as it’s somewhere along the line, shouldn’t it prevent gases from flowing? My own kitchen sink doesn’t have a p-trap in the cupboard below but I assume there’s one downstream because I’ve never noticed sewer smells in the kitchen. I figured it was the developers being cheap as soon as I noticed it, but they seem to at least have prevented the issue another way, so it’s hard to say if they were cheap or just efficient (or maybe neither if it’s just a p-trap in a different location).

My bathroom sink does have a p-trap under the sink though, so I’m still confused as to why it’s done one way in one spot and another in the other.

Only other guess I have at this point is it was done that way to simplify fitting the drain pipes under the sink because the hole for the pipe is directly underneath the one sink drain and it just feeds directly down via a vertical pipe, with the other sink’s drain feeding into that via a y-connection.

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