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It could be insufficient venting. The water going the drain from the toilet sucks air behind it. There should be a vent going up through the roof which lets air into the drain stack pipe. If it can't get enough air, it can suck air through another drain trap. It could be a design problem, or the vent could be clogged with ice or debris.

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10y ago

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Why does the bathtub gurgle when the toilet is flushed?

When the toilet is flushed, it creates a sudden rush of water down the drain pipes. This rush of water can create a vacuum effect in the plumbing system, causing air to be sucked in through the bathtub drain. This air passing through the water in the bathtub can create a gurgling sound.


Why is the toilet bubbling?

The toilet is bubbling because there is a blockage in the plumbing system, causing air to get trapped and create bubbles when the toilet is flushed.


Why is my toilet bubbling when flushed?

Your toilet may be bubbling when flushed due to a clog in the plumbing system, particularly in the vent stack or drain line. This can cause air to get trapped and create bubbles when the toilet is flushed. It is important to address this issue promptly to prevent further plumbing problems.


Why does one toilet bubble when flushed?

When a toilet bubbles when flushed, it is usually due to a blockage in the plumbing system. The blockage causes air to get trapped in the pipes, leading to the bubbling effect when the toilet is flushed.


Why is my toilet gurgling when flushed?

Your toilet may be gurgling when flushed due to a clog in the drain pipe, a blocked vent pipe, or a malfunctioning fill valve. This can cause air to be trapped in the pipes, leading to the gurgling sound. It is recommended to have a plumber inspect and fix the issue to prevent further problems.


Why does my toilet gurgle when flushed?

Your toilet may gurgle when flushed due to a blockage in the plumbing system, such as a clog in the pipes or a venting issue. This can cause air to be trapped in the pipes, leading to the gurgling sound when the toilet is flushed. It is important to address this issue promptly to prevent further plumbing problems.


Why does the shower gurgle when the toilet is flushed?

When the toilet is flushed, it can create a sudden change in water pressure in the plumbing system. This change in pressure can cause air to be sucked into the pipes, leading to the gurgling sound in the shower drain.


Why does the tub gurgle when the toilet is flushed?

When the toilet is flushed, it creates a sudden change in pressure in the plumbing system. This change in pressure can cause air to be sucked into the drain pipes, leading to the gurgling sound in the tub as the air escapes.


Why is my toilet gurgling when my bathtub drains?

When your toilet gurgles while your bathtub drains, it may be due to a clog or blockage in the plumbing system. This can cause air to get trapped and create the gurgling sound as water tries to flow through the pipes. It is important to address this issue promptly to prevent further plumbing problems.


Why does the bathtub gurgle when flushing the toilet?

When you flush the toilet, it can create a vacuum in the plumbing system, causing air to be pulled through the drain. This air can pass through the water in the bathtub trap, creating a gurgling sound.


Plumber problems the drain makes gurgling sounds when you flush the toilet and the water goes down in the toilet when the other toilet gets flushed?

either the vert is plugged and there is no air getting through or there is no vent at all


Why does the bathtub gurgle when the toilet flushes?

When the toilet flushes, it creates a sudden rush of water down the drain pipe, which can create a vacuum effect in the plumbing system. This vacuum can cause air to be pulled in through the bathtub drain, resulting in a gurgling sound.