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Old 11-03-2012, 04:36 PM   #1
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Vent stack backed up


I'm hoping some plumbers out there can help me out with an issue I have. My vent stack that my washer drains Into is backing up, however it only happens when the washer is draining, not when we flush the toilet or take a shower. We sent a snake down my main 3" pipe toward the street and the clog does not seem to be there. Also I cut my vent and sent the snake up it towards the roof and was only able to push it up about 12 feet( I live in a 2 storey home) and after the 13 foot mark I am no longer able to push up the snake. Any ideas as to what is going on here? Any help would be greatly appreciated. I have attached some photos to help describe what is going on.
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Vent stack backed up-image-105674330.jpg   Vent stack backed up-image-1466139024.jpg   Vent stack backed up-image-257733385.jpg   Vent stack backed up-image-4156497503.jpg  

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Old 11-03-2012, 04:46 PM   #2
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Vent stack backed up


How do you push a snake up a vent?
It needs to come down from the roof.
Unless your using a big enough snake it's not going to do any good.
May need to get a plumber in there with a camera.

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Old 11-03-2012, 04:48 PM   #3
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Vent stack backed up


Cable down the washer drain line towards the 3" stack
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Old 11-03-2012, 04:53 PM   #4
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Vent stack backed up


What is that valve looking thing on the dryer vent hose?
Get rid of those old rubber washing machine hoses and replace with stainless steel braded, and replace that plastic dryer vent hose, ASAP.
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Old 11-03-2012, 04:58 PM   #5
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Vent stack backed up


Quote:
Originally Posted by joecaption
How do you push a snake up a vent?
It needs to come down from the roof.
Unless your using a big enough snake it's not going to do any good.
May need to get a plumber in there with a camera.
I used one of my fish tapes and pushed it up the
Vent and it only goes up 12 feet
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Old 11-03-2012, 05:00 PM   #6
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Vent stack backed up


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Cable down the washer drain line towards the 3" stack
Should the vent and the 3" pipe be connected in the concrete? We pushed the hose into the vent going down and got about 20 feet in.
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Old 11-03-2012, 05:01 PM   #7
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Vent stack backed up


I understand what you did but that would be like trying to push a rope up hill instead of pulling it.
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Old 11-03-2012, 05:04 PM   #8
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Vent stack backed up


Quote:
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I understand what you did but that would be like trying to push a rope up hill instead of pulling it.
So am I going in the wrong direction here thinking that my problem is with the vent stack? It just seems odd to me that it only occurs with the washing machine, thanks for your reply's, I really appreciate it. I've got a plumber coming down in the next couple hours but I figured that I might as well try and fix it myself and save some bucks.
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Old 11-03-2012, 05:05 PM   #9
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Vent stack backed up


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Should the vent and the 3" pipe be connected in the concrete? We pushed the hose into the vent going down and got about 20 feet in.
OK- a vent is above the trap and a drain is below the trap.
Cable the 2" riser. It should tie into the 3" under slab at some point before it exits the house. Is anything else in the basement backing up?
Did you check the washing machine trap for a blockage?
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Old 11-03-2012, 08:41 PM   #10
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Vent stack backed up


also make sure that you have at least a 18" stand pipe coming off of wash machine trap
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Old 11-04-2012, 08:12 AM   #11
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Vent stack backed up


Thank you everyone for your responses! I appreciate your help, we had a plumber come in and snake out our main, and we had a clog about 80 feet in. Thank you

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