johncm
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I'm replacing an old dishwasher that had the drain hose connected to a 1/2" copper tube that runs through the kitchen floor to the basement. This is connected to a p-trap which runs into a 2" vertical drain pipe (total length of drain hose/tube about 4'). Do I need to install an air gap in the counter top and drain into the disposer or can I continue to use the existing setup?
Thanks
Thanks