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    jonimo's Avatar
    jonimo Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Nov 5, 2006, 07:20 AM
    Kitchen sink backing up
    My sink is backing up I can turn on the disposal and the water goes down but when I turn the disposal off the sink backs up again, also my dish washer is connected into this drain, there is no water backing up in the dish washer---help
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #2

    Nov 5, 2006, 07:33 AM
    Quote Originally Posted by jonimo
    My sink is backing up I can turn on the disposal and the water goes down but when I turn the disposal off the sink backs up again, also my dish washer is connected into this drain, there is no water backing up in the dish washer---help
    You have a blockage in the lateral,(horizontal ) line in the wall. The reason you haven't got a back up in the dishwasher is due to the high loop in the dishwasher hose.
    The solution is to remove the "J" bend from the trap and send a snake up the trap tail into the wall. You will hit a elbo about 6 inches in but once past that you only have 6 more feet of cable to put out. Afterward flush out the line with hot water. Good luck, Tom
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