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Originally Posted by xtvius
Can someone please explain why the new dishwasher cannot drain the same way as the old one [directly through the floor]?
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The following link should give you an idea. Your previous model must have had an anti-syphon device built into it.
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My washer doesn't seem to be able to hold water. What's the problem?
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I was told that it has to be connected to the disposal under the sink.
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It does not *have to be* connected to a disposal or even the plumbing under a sink to function properly but the drain hose can not go straight through the floor on most models of dishwashers. An air gap (see the following link) should probably be able to be installed *at counter height* and then from there routed though the floor if you wanted (depending on local building codes - check with a licenced plumber or building inspector).
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Dishwasher Drain Air Gap Kit
Typically an air gap is installed on the edge of a sink so connecting to the house plumbing from there is most logical.
JMO
Dan O.
www.Appliance411.com
The Appliance Information Site
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