Toilet gurgles when we flush the other one.

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Old 06-07-13, 10:50 AM
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Post Toilet gurgles when we flush the other one.

Hello,

We just did some remodeling in all three bathrooms and we changed all toilets as well. We installed new Mansfield Enso Dual Flush toilets in all three bathroom. On the second floor when we flush the toilet, the other toilet in the second bathroom gurgles and water decreases a little bit as well. Nothing happens on the first floor. what might be a reason: toilets were not install properly or it's our drainage problem?
 
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Old 06-07-13, 01:26 PM
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I see no way just changing a toilet would have any effect.
More likly a drain or vent problum.
On a septic system? When the last time the tank was pumped.
 
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Old 06-10-13, 12:17 PM
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How would i know if we are on septic system?
 
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Old 06-10-13, 12:33 PM
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As I know we do not have a septic system, we have a sawyer.
 
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Old 06-10-13, 12:39 PM
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What's a sawyer?
Do you get a water bill with your septic output on the bill?
 
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Old 06-10-13, 12:42 PM
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I'm sorry, i meant sewer. On the water bill we get sewer charge.
 
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Old 06-10-13, 12:51 PM
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Then you have a plugged sewer line or vent that needs to be snaked.
 
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Old 06-10-13, 01:05 PM
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We had a plugged pipe, which goes out from the kitchen sink only, and bathroom lines join to the same line at the end of the house. We have same toilet on the first floor and that one is fine. Can that be a reason still?
 
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Old 06-10-13, 01:08 PM
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Then you have a plugged sewer line or vent that needs to be snaked
This may not be true necessarily and joe may not be giving you the best advice.


Are these bathrooms back to back? Old back to back oioing was installed wrong years ago. And couple this with new flushong toilets with 3" towers, such as the mansfield, you will have this issue.

As long as the water in the other toilet does not siphon out you should be OK.

The fix is to bring the cross connection up to code.

That is if the above is tru for them being back to back.
 
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Old 06-10-13, 01:12 PM
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The toilets are back to back to each other. "The fix is to bring the cross connection up to code" could you give me more details.
 
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Old 06-10-13, 01:17 PM
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In the pic homes were plumbed with the NO method.

Now they need to be like the YES method. As well as a 2" vent, which they probably have.

It will require wall and ceiling demo to correct....

 
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Old 06-10-13, 01:24 PM
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We just put the tile floors, can that demo be done from ceiling? I have to ask the guy who installed the toilets for use to make sure what connections we have right now. Thanks a lot for your responds. I will post again in couple days, as soon as a have more info.
 
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Old 06-10-13, 01:29 PM
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Yes from ceiling/walls below. And possibly wall behind toilets.

But is the water is not siphoning out you possibly could leave it.

A good test is to remove one toilet and flush the other. If you see water come from the other toilet to the removed toilet drain line then you know you have the wrong connection.

Like I said couple this wrong connection with the new full port flushing toilets and the issue magnify's itself....
 
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Old 06-10-13, 01:31 PM
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When you say "remodeling" was any of the plumbing in the drains changed?
Everyting was working fine before the new toilets?
 
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Old 06-10-13, 01:34 PM
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usually water level in the other toilet decreases for a little bit and it make strange voice, like air coming out. Maybe I can record it.
 
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Old 06-10-13, 01:47 PM
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yes, everything was working fine before new toilets, and we had old fashion kind of toilets, the ones that use a lot of water. We did not change any plumbing either.
 
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Old 06-10-13, 01:48 PM
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Does this happen regardless of which 2nd floor toilet is flushed, and does it happen if flushed on both the low and high pressure flushes? If so, then it sounds like a venting problem. When the toilet is flushed, it requires air pressure to force the water down through the sewer line. If not enough air is getting to the sewer line, then it will act like a siphon and pull the level of the water down far enough for air to get past the water and force the water from the flushed stool on down. I'm guessing that they share the same vent tube, but the one downstairs uses a separate one. It's sort of like when a person places a straw in a glass of water, pop, or whatever, and then covers the top end with their finger. The fluid will remain in the straw until the finger is moved. Not all older home plumbing can handle the newer dual-flush toilets. Something to do with them clogging easier on the low level flushes. I realize I haven't shared anything that hasn't already been shared, but I thought I'd add my 5 worth. (2 + 3 tax = 5)
 
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Old 06-10-13, 01:58 PM
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Does not matter which toilet is flushed, and it happens on both flushing buttons. If it's venting problem, how that can be fixed?
 
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Old 06-10-13, 02:47 PM
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If so, then it sounds like a venting problem.
Most likely not a vent issues and is what I described before.

If anything the stack would be the vent on the back to backs....
 
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