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Old 02-16-2012, 09:41 AM   #16
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Toilet not obstructed but won't flush


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Originally Posted by ben's plumbing View Post
yes a vent problem can cause this symptom but I really never seen one totaly clog like yours..it blows trap seal in another fixture so I am kinda stumped..
I probably should mention that this toilet is the only thing going into this sewer line that runs directly to the main sewer and is not vented. I've always wondered how a toilet could work without a sewer line vent but the old toilet before this one worked for many years and this new one worked for two months.

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Old 02-16-2012, 10:06 AM   #17
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Toilet not obstructed but won't flush


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I probably should mention that this toilet is the only thing going into this sewer line that runs directly to the main sewer and is not vented. I've always wondered how a toilet could work without a sewer line vent but the old toilet before this one worked for many years and this new one worked for two months.
How long is the branch before it ties into the main?
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Old 02-16-2012, 10:23 AM   #18
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Toilet not obstructed but won't flush


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How long is the branch before it ties into the main?
About 65 feet.
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Old 02-16-2012, 10:27 AM   #19
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Toilet not obstructed but won't flush


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About 65 feet.
So you have just a toilet and that's it? 65' away without a vent? I suspect this is the problem?
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Old 02-16-2012, 10:51 AM   #20
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Toilet not obstructed but won't flush


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So you have just a toilet and that's it? 65' away without a vent? I suspect this is the problem?
It's the last thing I have to check out. I'll be adding a vent to it this afternoon. Even if this fixes the problem it won't explain why the old toilet worked there for many years and the new one worked for two months.
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Old 02-16-2012, 10:55 AM   #21
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Toilet not obstructed but won't flush


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It's the last thing I have to check out. I'll be adding a vent to it this afternoon. Even if this fixes the problem it won't explain why the old toilet worked there for many years and the new one worked for two months.
Why do you have just the toilet? No sink or anything? What is the purpose of this toilet and where is it located?
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Old 02-16-2012, 01:10 PM   #22
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Toilet not obstructed but won't flush


venting is not the problem i can almost guarantee that
read the exception for venting in link
http://publicecodes.citation.com/ico...2_9_sec009.htm
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Old 02-16-2012, 02:59 PM   #23
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Toilet not obstructed but won't flush


Venting the line fixed the problem. I guess I'll never know why it worked for all that time without the vent. Thanks everyone.
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Old 02-16-2012, 05:55 PM   #24
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Toilet not obstructed but won't flush


ok glad to hear that it is fixed....still why did commode work for 2 months as you said with no problems.....does not make normal sense at all..
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Old 03-13-2015, 09:53 PM   #25
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Toilet not obstructed but won't flush


Hello everyone. I have a very similar problem to the original poster in this thread...so I though:t I'd share my problem here. I have a toilet that exhibit the following:

Doesn't want to flush...though plunging will force the water through.

ran a snake first while the toilet was in place...no luck. removed the toilet ran the snake from both ends...vigorously...holding both ends see sawing back and forth. Ran a garden hose...water runs fine. Reinstalled..new ring.

drain was clear. Connected to the run for the tub and two sinks. No clogs anywhere...all runs to a septic system showing no signs of blockage....toilet is the furthest from the septic tank.

Toilet worked 80% better when reinstalled...for about 5 flushes...then slow draining again...to where it is now....acting clogged unless I plunge the water out.

Saw the post about venting....went up to the roof to check the vent for that toilet. It wasn't clogged for at four feet of stick I had to check with.

So my question is ...how do I properly check for a vent problem? Could there be something else?

The house is an Arizona Santa Fe style..flat roof home..poured on a slab with all the plumbing pipes buried in cement.

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Old 03-13-2015, 09:57 PM   #26
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Toilet not obstructed but won't flush


Forgot to add: After plunging last night...in the middle of the night...I kept hearing a gurgle sound coming from the toilet. A loud enough "gulp" sound that it woke us several times last night...hours apart. I think it happened 3 times in 8 hours. It sounded like a big bubble found it way into the bowl and burped, loudly.
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Old 03-13-2015, 10:01 PM   #27
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Toilet not obstructed but won't flush


put toilet paper in it then redo your test.
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Old 03-13-2015, 10:12 PM   #28
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Toilet not obstructed but won't flush


What test?

Also...as I was thinking...I should add that though the drain lines are buried under concrete...they are accessible from underneigth. I live in the mostly untamed natural desert near Phoenix. We have every kind of critter there is all around the house. There are numerous holes near the foundation..feet away from where this toilet line would run. Could a critter have bored in..causing a deep leak and creating some time of effect on the toilet?

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Old 03-13-2015, 10:17 PM   #29
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Toilet not obstructed but won't flush


You really should make a new post. I was replying to the original one.
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Old 03-13-2015, 10:23 PM   #30
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Toilet not obstructed but won't flush


If your getting burps through a toilet it could be a blocked vent, or blocked sewer.
Since your in a warm area the blocked vent is less likely unless some critter is nesting in the pipe that gos, through the roof.

So my best guess would be a main drain blockage that is still draining off slowly but is becoming worse as you use it. This may be caused by pipe settling and losing it's pitch downhill or roots or a pipe break. Critters usually will not chew through a heavy plastic drain pipe it's not tasty to them.

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