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Old 01-26-2009, 03:31 AM   #1
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Single drain with disposal


I have a question, I have a centered drain now and the drain happens to line up with the sink drain, now I have to add a garbage disposal unit, this makes it tricky because I have to saw the drain pipe shorter. I wanted to know what are the restrictions in the number of turns or kind of turns that I can do before it enters the wall?

Can I rotate the outflow tube of the disposal so it points diagonally instread of straight down, then add a 45* elbow into the P trap? Is this the best option to add some pipes so the P trap can be at the back of the disposal?

The drain is a little high but as long as the disposal outlet is higher than the P trap will work right?


Thanks for your advice!!
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Last edited by DIYGST; 01-26-2009 at 03:33 AM.
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Old 01-26-2009, 06:05 AM   #2
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Single drain with disposal


The most basic rule is: the more turns in a drain, the more chances for a clog, keep it simple. Use 45 instead of 90 deg. If I understand what you plan, sounds OK to me. Space under a sink is always limited, so you make turns where you have to to get to the wall.
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