Old 04-27-03, 07:40 PM
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I just recently had new countertops installed with an undermount sink in the kitchen. When I went to rehang the disposal system, the discharge pipe on the disposer was lower than the drain pipe that goes through the wall. I need to know if this will work or not.
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Old 04-27-03, 09:07 PM
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you can cut the discharge drain shorter but make sure you leave enough to get a nut and washer on it. if that still doesnt give you enough you can use a flanged tailpiece in place of the curved discharge drain.a flanged tailpiece is a 1.5 round plastic pipe but has a flat top to it .it also requiers a flat rubber washer or plastic washer.
Old 04-27-03, 09:13 PM
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thanks, but what I really need to know is if the discharge pipe going into the trap which leads into the drain in the wall is lower than the drain going into the wall will the water that normally sits in the trap also be in my discharge pipe and my disposer?
Old 04-28-03, 03:48 PM
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the discharge side of your trap which goes to the drain sticking out of the wall should be at least level or preferably slightly higher than your drain.water doesnt naturaly flow will probably drain if its lower but not as well as it could.
Old 04-28-03, 08:02 PM
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It will be difficult to hook up to the higher p-trap and YES it will leave water sitting in the discharge pipe of the disposal, but it will still drain... I think it is not a good idea to go too much higher with the trap since it will naturally make the trap larger... It is especially bad idea with a disposal hooked to the drain...
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