Acceptable Double Sink Garbage Disposal/P Trap Config?

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markskovorodko

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Hi all,

I'm a few weeks out from installing a new sink base cabinet, double basin sink, and garbage disposal (to be located on the right sink basin). We just had a plumber rough in new supply and drain lines as we're moving the sink to a new location in the kitchen. The plumber installed new leftward-pointing 45° drain line on the garage disposal side of the sink cabinet, and did so because he recommends the below configuration for the P trap (as far as I understood from my conversation with him):



disposer-down-drain-2.jpg


disposer-down-drain-1.jpg


He also may have meant this configuration below:

disposer-center-drain-1.jpg


In any case, he claimed that locating the P trap closer to the garbage disposal would mean food remnants from the disposal would have less horizontal distance to clear before draining through the P trap.

However, on all the other threads I've found on this forum regarding double sink garbage disposal installs, the below configuration (which I assume is the more traditional configuration) is shown:

sink_dw_hot.jpg


All that said, are there any significant issues with Configuration 1 (first two images) or Configuration 2 (third image) that I'm unaware of? The plumber's reasoning seems to make sense but maybe I'm missing something obvious.

Thanks all in advance!
 

Jeff H Young

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number 4 allows for higher rough in. which helps create space under cabinet. however many claims that function not as well as pic 1 or 2 . My experience I don't run into the last one often and have only done a few that way . I keep one of those straight disposer kits in my stock "just in case"
 
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