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    speve48's Avatar
    speve48 Posts: 1, Reputation: 1
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    #1

    Apr 4, 2009, 05:58 PM
    How do I hook up a dishwasher drain that is not located near a sink drain
    I am installing a disher in an island, there is no sink to run the drain to. I can access to a drain line under the floor but don't know the proper method of hooking it up. Any help out there?
    speve48
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #2

    Apr 5, 2009, 08:02 AM
    Quote Originally Posted by speve48 View Post
    I am installing a disher in an island, there is no sink to run the drain to. I can access to a drain line under the floor but don't know the proper method of hooking it up. Any help out there?
    speve48

    You will pipe this like a island sink set up (see image) using a AAV if local codes permit. If not you'll have to vent back into the drain and wet vent it.
    You will also have to run a high loop or a counter top air gap on the hose before you connect to the trap raiser which will be reduced down to a pipe syubbed up that will accept one end of a Fernco Reducing Coupling, (see image). If it were me , and since I already had the drainage in place, I would install a sink and drain the DW into that. Good luck, Tom
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