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    julsie's Avatar
    julsie Posts: 4, Reputation: 1
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    #1

    Nov 21, 2004, 07:23 PM
    Laundry standpipe overflow
    The standpipe that our washing machine drains into recently started overflowing. It's only a small amount at a time, creating a tiny puddle that runs in front of the machine. It seems to happen during the rinse cycle. There's no noticeable odor or sudsing. Any idea what could be causing this problem?
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
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    #2

    Nov 22, 2004, 05:20 AM
    Laundry standpipe overflow
    You are developing a partial clog in your drain line. You need to run a snake down the standpipe and past the trap to clear it. If it persists or gets worse there is a "last resort" fix that I had to use at my place and just passed on a few minutes ago to another asker with the same problem. This is then advice I gave him, "I had the same problem at my house the washer pump discharged with so much force that it sometimes backed up. I cured it by attaching a 2 X 1 1/2" compression fitting on top of the stand pipe and making a water tight connection between the hose and stand pipe. Your trap and stand pipe are 2" aren't they? If your trap and standpipe's 1 1/2" simply purchase a 1 1/2 female X 1 1/2" compression fitting and install that. Good luck, Tom
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    julsie Posts: 4, Reputation: 1
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    #3

    Nov 22, 2004, 08:35 AM
    Thanks! I'll give the snake a try. We need to get one in for our bathroom drain, anyway.
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
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    #4

    Nov 22, 2004, 12:52 PM
    Caulking the Standpipe.
    If snaking the line don't get it you could also caulk the hose into the stand pipe using that foam stuff that you squirt out of a can making a watertight joint. Cheers, Tom
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    julsie Posts: 4, Reputation: 1
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    #5

    Nov 23, 2004, 02:31 PM
    My husband snaked it out last night, and there's no change. But I noticed that the pipe doesn't look tall enough, so I measured, and it's only 24" tall! It's a miracle we haven't had any trouble before this week, really. We'll extend it another foot or so, and I imagine that will take care of the small amount of overflow we've been having.
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
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    #6

    Nov 23, 2004, 03:52 PM
    Laundry standpipe overflow
    We make our washer standpipes out of 2" pipe 36" long.
    julsie's Avatar
    julsie Posts: 4, Reputation: 1
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    #7

    Nov 27, 2004, 11:10 AM
    Ours is now 2" diameter, and approximately 48" tall. Works like a charm. Thanks for the help!
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
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    #8

    Nov 27, 2004, 02:24 PM
    We are glad we were able to help. More problems? We're as close as a click.
    Tom
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    kitty101 Posts: 2, Reputation: 1
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    #9

    Mar 14, 2009, 04:01 PM
    We had the same problem with the standpipe overflowing. We have had two plumbers out previously, they said something about the pipe on top of the house and they used the snake on it from the roof and snaked standpipe behind the washer. He asked if we had a garbage disposal and we do.? Once they leave all is well for few months then we start overflowing again at the standpipe.

    My husband didn't find a compression fitting but a 1 1/2 inch rubber plug that fits in the standpipe and the return hose fits in it and then he tightened with a hose clamp. So yeah no more trying to remember to run to the washer during rinse cycle. The only thing is now about the time the standpipe would overflow, the water is coming up in the kitchen sink. So we fix one thing, but it creates a problem else where. I know this is older thread but thought I would see if anyone would have any ideas for me.

    Thanks!
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
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    #10

    Mar 15, 2009, 06:06 AM
    The only thing is now about the time the standpipe would overflow, the water is coming up in the kitchen sink.
    Sounds like you have a partial clog downstream from the kitchen sink. Rent a sewer machine and snake the kitchen roof vent. Put out enough canle to reach the base and 16 feet more. Good luck, Tom
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    kitty101 Posts: 2, Reputation: 1
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    #11

    Mar 15, 2009, 07:29 AM
    Thank you for your reply! We will try that.

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